lustre/utils/obd.c

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.gnu.org/licenses/gpl-2.0.html
  19  *
  20  * GPL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Copyright (c) 2011, 2016, Intel Corporation.
  27  */
  28 /*
  29  * This file is part of Lustre, http://www.lustre.org/
  30  * Lustre is a trademark of Sun Microsystems, Inc.
  31  *
  32  * lustre/utils/obd.c
  33  *
  34  * Author: Peter J. Braam <braam@clusterfs.com>
  35  * Author: Phil Schwan <phil@clusterfs.com>
  36  * Author: Andreas Dilger <adilger@clusterfs.com>
  37  * Author: Robert Read <rread@clusterfs.com>
  38  */
  39
  40 #include <sys/ioctl.h>
  41 #include <sys/socket.h>
  42 #include <sys/stat.h>
  43 #include <sys/time.h>
  44 #include <sys/types.h>
  45 #include <sys/un.h>
  46 #include <sys/wait.h>
  47
  48 #include <ctype.h>
  49 #include <errno.h>
  50 #include <fcntl.h>
  51 #include <getopt.h>
  52 #include <signal.h>
  53 #include <stdarg.h>
  54 #include <stdbool.h>
  55 #include <stdio.h>
  56 #include <stdlib.h>
  57 #include <string.h>
  58 #include <time.h>
  59 #include <unistd.h>
  60 #include <limits.h>
  61
  62 #include "obdctl.h"
  63 #include <libcfs/util/list.h>
  64 #include <libcfs/util/ioctl.h>
  65 #include <libcfs/util/param.h>
  66 #include <libcfs/util/parser.h>
  67 #include <libcfs/util/string.h>
  68
  69 #include <lnet/nidstr.h>
  70 #include <lustre/lustre_ostid.h>
  71 #include <lustre_cfg.h>
  72 #include <lustre_ioctl.h>
  73 #include <lustre_ver.h>
  74
  75 #include <lnet/lnetctl.h>
  76 #include <lustre/lustreapi.h>
  77 #include <lustre_param.h>
  78 #include <lustre/lustre_barrier_user.h>
  79
  80 #define MAX_STRING_SIZE 128
  81
  82 #if HAVE_LIBPTHREAD
  83 #include <sys/ipc.h>
  84 #include <sys/shm.h>
  85 #include <pthread.h>
  86
  87 #define MAX_THREADS 4096
  88 #define MAX_BASE_ID 0xffffffff
  89 #define NIDSTRING_LENGTH 64
  90 struct shared_data {
  91         pthread_mutex_t mutex;
  92         pthread_cond_t  cond;
  93         int       stopping;
  94         struct {
  95                 __u64 counters[MAX_THREADS];
  96                 __u64 offsets[MAX_THREADS];
  97                 int   thr_running;
  98                 int   start_barrier;
  99                 int   stop_barrier;
 100                 struct timeval start_time;
 101                 struct timeval end_time;
 102         } body;
 103 };
 104
 105 static struct shared_data *shared_data;
 106 static __u64 counter_snapshot[2][MAX_THREADS];
 107 static int prev_valid;
 108 static struct timeval prev_time;
 109 static int thread;
 110 static int nthreads;
 111 #else
 112 const int thread = 0;
 113 const int nthreads = 1;
 114 #endif
 115
 116 static int cur_device = -1;
 117
 118 static int l2_ioctl(int dev_id, int opc, void *buf)
 119 {
 120         return l_ioctl(dev_id, opc, buf);
 121 }
 122
 123 int lcfg_ioctl(char * func, int dev_id, struct lustre_cfg *lcfg)
 124 {
 125         struct obd_ioctl_data data;
 126         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 127         int rc;
 128
 129         memset(&data, 0, sizeof(data));
 130         data.ioc_dev = cur_device;
 131         data.ioc_type = LUSTRE_CFG_TYPE;
 132         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
 133                                         lcfg->lcfg_buflens);
 134         data.ioc_pbuf1 = (void *)lcfg;
 135         memset(buf, 0, sizeof(rawbuf));
 136         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 137         if (rc) {
 138                 fprintf(stderr, "error: %s: invalid ioctl\n",
 139                         jt_cmdname(func));
 140                 return rc;
 141         }
 142
 143         rc =  l_ioctl(dev_id, OBD_IOC_PROCESS_CFG, buf);
 144
 145         return rc;
 146 }
 147
 148 static int do_device(char *func, char *devname);
 149
 150 static int get_mgs_device()
 151 {
 152         char mgs[] = "$MGS";
 153         static int mgs_device = -1;
 154
 155         if (mgs_device == -1) {
 156                 int rc;
 157                 do_disconnect(NULL, 1);
 158                 rc = do_device("mgsioc", mgs);
 159                 if (rc) {
 160                         fprintf(stderr,
 161                                 "This command must be run on the MGS.\n");
 162                         errno = ENODEV;
 163                         return -1;
 164                 }
 165                 mgs_device = cur_device;
 166         }
 167         return mgs_device;
 168 }
 169
 170 /* Returns -1 on error with errno set */
 171 int lcfg_mgs_ioctl(char *func, int dev_id, struct lustre_cfg *lcfg)
 172 {
 173         struct obd_ioctl_data data;
 174         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 175         int rc;
 176
 177         memset(&data, 0, sizeof(data));
 178         rc = data.ioc_dev = get_mgs_device();
 179         if (rc < 0)
 180                 goto out;
 181         data.ioc_type = LUSTRE_CFG_TYPE;
 182         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
 183                                         lcfg->lcfg_buflens);
 184         data.ioc_pbuf1 = (void *)lcfg;
 185         memset(buf, 0, sizeof(rawbuf));
 186         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 187         if (rc) {
 188                 fprintf(stderr, "error: %s: invalid ioctl\n",
 189                         jt_cmdname(func));
 190                 return rc;
 191         }
 192
 193         rc = l_ioctl(dev_id, OBD_IOC_PARAM, buf);
 194 out:
 195         if (rc) {
 196                 if (errno == ENOSYS)
 197                         fprintf(stderr, "Make sure cfg_device is set first.\n");
 198         }
 199         return rc;
 200 }
 201
 202 char *obdo_print(struct obdo *obd)
 203 {
 204         char buf[1024];
 205
 206         snprintf(buf, sizeof(buf), "id: %#jx\ngrp: %#jx\natime: %ju\n"
 207                  "mtime: %ju\nctime: %ju\nsize: %ju\nblocks: %ju"
 208                  "\nblksize: %u\nmode: %o\nuid: %d\ngid: %d\nflags: %x\n"
 209                  "misc: %x\nnlink: %d,\nvalid %#jx\n",
 210                  (uintmax_t)ostid_id(&obd->o_oi),
 211                  (uintmax_t)ostid_seq(&obd->o_oi),
 212                  (uintmax_t)obd->o_atime, (uintmax_t)obd->o_mtime,
 213                  (uintmax_t)obd->o_ctime, (uintmax_t)obd->o_size,
 214                  (uintmax_t)obd->o_blocks, obd->o_blksize, obd->o_mode,
 215                  obd->o_uid, obd->o_gid, obd->o_flags, obd->o_misc,
 216                  obd->o_nlink, (uintmax_t)obd->o_valid);
 217         return strdup(buf);
 218 }
 219
 220
 221 #define BAD_VERBOSE (-999999999)
 222
 223 #define N2D_OFF 0x100      /* So we can tell between error codes and devices */
 224
 225 static int do_name2dev(char *func, char *name)
 226 {
 227         struct obd_ioctl_data data;
 228         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 229         int rc;
 230
 231         memset(&data, 0, sizeof(data));
 232         data.ioc_dev = cur_device;
 233         data.ioc_inllen1 = strlen(name) + 1;
 234         data.ioc_inlbuf1 = name;
 235
 236         memset(buf, 0, sizeof(rawbuf));
 237         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 238         if (rc < 0) {
 239                 fprintf(stderr, "error: %s: invalid ioctl\n",
 240                         jt_cmdname(func));
 241                 return -rc;
 242         }
 243         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NAME2DEV, buf);
 244         if (rc < 0)
 245                 return errno;
 246         rc = obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
 247         if (rc) {
 248                 fprintf(stderr, "error: %s: invalid reply\n",
 249                         jt_cmdname(func));
 250                 return rc;
 251         }
 252
 253         return data.ioc_dev + N2D_OFF;
 254 }
 255
 256 /*
 257  * resolve a device name to a device number.
 258  * supports a number, $name or %uuid.
 259  */
 260 int parse_devname(char *func, char *name)
 261 {
 262         int rc;
 263         int ret = -1;
 264
 265         if (!name)
 266                 return ret;
 267         if (isdigit(name[0])) {
 268                 ret = strtoul(name, NULL, 0);
 269         } else {
 270                 if (name[0] == '$' || name[0] == '%')
 271                         name++;
 272                 rc = do_name2dev(func, name);
 273                 if (rc >= N2D_OFF) {
 274                         ret = rc - N2D_OFF;
 275                         // printf("Name %s is device %d\n", name, ret);
 276                 } else {
 277                         fprintf(stderr, "No device found for name %s: %s\n",
 278                                 name, strerror(rc));
 279                 }
 280         }
 281         return ret;
 282 }
 283
 284 char *jt_cmdname(char *func)
 285 {
 286         static char buf[512];
 287
 288         if (thread) {
 289                 sprintf(buf, "%s-%d", func, thread);
 290                 return buf;
 291         }
 292
 293         return func;
 294 }
 295
 296 #define difftime(a, b)                                  \
 297         ((a)->tv_sec - (b)->tv_sec +                    \
 298          ((a)->tv_usec - (b)->tv_usec) / 1000000.0)
 299
 300 static int be_verbose(int verbose, struct timeval *next_time,
 301                       __u64 num, __u64 *next_num, int num_total)
 302 {
 303         struct timeval now;
 304
 305         if (!verbose)
 306                 return 0;
 307
 308         if (next_time != NULL)
 309                 gettimeofday(&now, NULL);
 310
 311         /* A positive verbosity means to print every X iterations */
 312         if (verbose > 0 && (num >= *next_num || num >= num_total)) {
 313                 *next_num += verbose;
 314                 if (next_time) {
 315                         next_time->tv_sec = now.tv_sec - verbose;
 316                         next_time->tv_usec = now.tv_usec;
 317                 }
 318                 return 1;
 319         }
 320
 321         /* A negative verbosity means to print at most each X seconds */
 322         if (verbose < 0 && next_time != NULL &&
 323             difftime(&now, next_time) >= 0.0){
 324                 next_time->tv_sec = now.tv_sec - verbose;
 325                 next_time->tv_usec = now.tv_usec;
 326                 *next_num = num;
 327                 return 1;
 328         }
 329
 330         return 0;
 331 }
 332
 333 static int get_verbose(char *func, const char *arg)
 334 {
 335         int verbose;
 336         char *end;
 337
 338         if (!arg || arg[0] == 'v')
 339                 verbose = 1;
 340         else if (arg[0] == 's' || arg[0] == 'q')
 341                 verbose = 0;
 342         else {
 343                 verbose = (int)strtoul(arg, &end, 0);
 344                 if (*end) {
 345                         fprintf(stderr, "error: %s: bad verbose option '%s'\n",
 346                                 jt_cmdname(func), arg);
 347                         return BAD_VERBOSE;
 348                 }
 349         }
 350
 351         if (verbose < 0)
 352                 printf("Print status every %d seconds\n", -verbose);
 353         else if (verbose == 1)
 354                 printf("Print status every operation\n");
 355         else if (verbose > 1)
 356                 printf("Print status every %d operations\n", verbose);
 357
 358         return verbose;
 359 }
 360
 361 int do_disconnect(char *func, int verbose)
 362 {
 363         lcfg_set_devname(NULL);
 364         cur_device = -1;
 365         return 0;
 366 }
 367
 368 #ifdef MAX_THREADS
 369 static int shmem_setup(void)
 370 {
 371         pthread_mutexattr_t mattr;
 372         pthread_condattr_t  cattr;
 373         int                 rc;
 374         int                 shmid;
 375
 376         /* Create new segment */
 377         shmid = shmget(IPC_PRIVATE, sizeof(*shared_data), 0600);
 378         if (shmid == -1) {
 379                 fprintf(stderr, "Can't create shared data: %s\n",
 380                         strerror(errno));
 381                 return errno;
 382         }
 383
 384         /* Attatch to new segment */
 385         shared_data = (struct shared_data *)shmat(shmid, NULL, 0);
 386
 387         if (shared_data == (struct shared_data *)(-1)) {
 388                 fprintf(stderr, "Can't attach shared data: %s\n",
 389                         strerror(errno));
 390                 shared_data = NULL;
 391                 return errno;
 392         }
 393
 394         /* Mark segment as destroyed, so it will disappear when we exit.
 395          * Forks will inherit attached segments, so we should be OK.
 396          */
 397         if (shmctl(shmid, IPC_RMID, NULL) == -1) {
 398                 fprintf(stderr, "Can't destroy shared data: %s\n",
 399                         strerror(errno));
 400                 return errno;
 401         }
 402
 403         pthread_mutexattr_init(&mattr);
 404         pthread_condattr_init(&cattr);
 405
 406         rc = pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED);
 407         if (rc != 0) {
 408                 fprintf(stderr, "Can't set shared mutex attr\n");
 409                 goto out;
 410         }
 411
 412         rc = pthread_condattr_setpshared(&cattr, PTHREAD_PROCESS_SHARED);
 413         if (rc != 0) {
 414                 fprintf(stderr, "Can't set shared cond attr\n");
 415                 goto out;
 416         }
 417
 418         pthread_mutex_init(&shared_data->mutex, &mattr);
 419         pthread_cond_init(&shared_data->cond, &cattr);
 420 out:
 421         pthread_mutexattr_destroy(&mattr);
 422         pthread_condattr_destroy(&cattr);
 423
 424         return rc;
 425 }
 426
 427 static inline void shmem_lock(void)
 428 {
 429         pthread_mutex_lock(&shared_data->mutex);
 430 }
 431
 432 static inline void shmem_unlock(void)
 433 {
 434         pthread_mutex_unlock(&shared_data->mutex);
 435 }
 436
 437 static inline void shmem_wait(void)
 438 {
 439         pthread_cond_wait(&shared_data->cond, &shared_data->mutex);
 440 }
 441
 442 static inline void shmem_wakeup_all(void)
 443 {
 444         pthread_cond_broadcast(&shared_data->cond);
 445 }
 446
 447 static inline void shmem_reset(int total_threads)
 448 {
 449         if (shared_data == NULL)
 450                 return;
 451
 452         memset(&shared_data->body, 0, sizeof(shared_data->body));
 453         memset(counter_snapshot, 0, sizeof(counter_snapshot));
 454         prev_valid = 0;
 455         shared_data->stopping = 0;
 456         shared_data->body.start_barrier = total_threads;
 457         shared_data->body.stop_barrier = total_threads;
 458 }
 459
 460 static inline void shmem_bump(__u32 counter)
 461 {
 462         static bool running_not_bumped = true;
 463
 464         if (shared_data == NULL || thread <= 0 || thread > MAX_THREADS)
 465                 return;
 466
 467         shmem_lock();
 468         shared_data->body.counters[thread - 1] += counter;
 469         if (running_not_bumped) {
 470                 shared_data->body.thr_running++;
 471                 running_not_bumped = false;
 472         }
 473         shmem_unlock();
 474 }
 475
 476 static void shmem_total(int total_threads)
 477 {
 478         __u64 total = 0;
 479         double secs;
 480         int i;
 481
 482         if (shared_data == NULL || total_threads > MAX_THREADS)
 483                 return;
 484
 485         shmem_lock();
 486         for (i = 0; i < total_threads; i++)
 487                 total += shared_data->body.counters[i];
 488
 489         secs = difftime(&shared_data->body.end_time,
 490                         &shared_data->body.start_time);
 491         shmem_unlock();
 492
 493         printf("Total: total %ju threads %d sec %f %f/second\n",
 494                (uintmax_t)total, total_threads, secs, total / secs);
 495
 496         return;
 497 }
 498
 499 static void shmem_snap(int total_threads, int live_threads)
 500 {
 501         struct timeval this_time;
 502         int non_zero = 0;
 503         __u64 total = 0;
 504         double secs;
 505         int running;
 506         int i;
 507
 508         if (shared_data == NULL || total_threads > MAX_THREADS)
 509                 return;
 510
 511         shmem_lock();
 512         memcpy(counter_snapshot[0], shared_data->body.counters,
 513                total_threads * sizeof(counter_snapshot[0][0]));
 514         running = shared_data->body.thr_running;
 515         shmem_unlock();
 516
 517         gettimeofday(&this_time, NULL);
 518
 519         for (i = 0; i < total_threads; i++) {
 520                 long long this_count =
 521                         counter_snapshot[0][i] - counter_snapshot[1][i];
 522
 523                 if (this_count != 0) {
 524                         non_zero++;
 525                         total += this_count;
 526                 }
 527         }
 528
 529         secs = difftime(&this_time, &prev_time);
 530         if (prev_valid && secs > 1.0)    /* someone screwed with the time? */
 531                 printf("%d/%d Total: %f/second\n", non_zero, total_threads,
 532                        total / secs);
 533
 534         memcpy(counter_snapshot[1], counter_snapshot[0],
 535                total_threads * sizeof(counter_snapshot[0][0]));
 536         prev_time = this_time;
 537         if (!prev_valid &&
 538             running == total_threads)
 539                 prev_valid = 1;
 540 }
 541
 542 static void shmem_stop(void)
 543 {
 544         if (shared_data == NULL)
 545                 return;
 546
 547         shared_data->stopping = 1;
 548 }
 549
 550 static void shmem_cleanup(void)
 551 {
 552         if (shared_data == NULL)
 553                 return;
 554
 555         shmem_stop();
 556
 557         pthread_mutex_destroy(&shared_data->mutex);
 558         pthread_cond_destroy(&shared_data->cond);
 559 }
 560
 561 static int shmem_running(void)
 562 {
 563         return (shared_data == NULL || !shared_data->stopping);
 564 }
 565
 566 static void shmem_end_time_locked(void)
 567 {
 568         shared_data->body.stop_barrier--;
 569         if (shared_data->body.stop_barrier == 0)
 570                 gettimeofday(&shared_data->body.end_time, NULL);
 571 }
 572
 573 static void shmem_start_time_locked(void)
 574 {
 575         shared_data->body.start_barrier--;
 576         if (shared_data->body.start_barrier == 0) {
 577                 shmem_wakeup_all();
 578                 gettimeofday(&shared_data->body.start_time, NULL);
 579         } else {
 580                 shmem_wait();
 581         }
 582 }
 583
 584 #else
 585 static int shmem_setup(void)
 586 {
 587         return 0;
 588 }
 589
 590 static inline void shmem_reset(int total_threads)
 591 {
 592 }
 593
 594 static inline void shmem_bump(__u32 counters)
 595 {
 596 }
 597
 598 static void shmem_lock()
 599 {
 600 }
 601
 602 static void shmem_unlock()
 603 {
 604 }
 605
 606 static void shmem_cleanup(void)
 607 {
 608 }
 609
 610 static int shmem_running(void)
 611 {
 612         return 1;
 613 }
 614 #endif
 615
 616 extern command_t cmdlist[];
 617
 618 static int do_device(char *func, char *devname)
 619 {
 620         int dev;
 621
 622         dev = parse_devname(func, devname);
 623         if (dev < 0)
 624                 return -1;
 625
 626         lcfg_set_devname(devname);
 627         cur_device = dev;
 628         return 0;
 629 }
 630
 631 int jt_obd_get_device()
 632 {
 633         return cur_device;
 634 }
 635
 636 int jt_obd_device(int argc, char **argv)
 637 {
 638         int rc;
 639
 640         if (argc > 2)
 641                 return CMD_HELP;
 642
 643         if (argc == 1) {
 644                 printf("current device is %d - %s\n",
 645                        cur_device, lcfg_get_devname() ? : "not set");
 646                 return 0;
 647         }
 648         rc = do_device("device", argv[1]);
 649         return rc;
 650 }
 651
 652 int jt_opt_device(int argc, char **argv)
 653 {
 654         int ret;
 655         int rc;
 656
 657         if (argc < 3)
 658                 return CMD_HELP;
 659
 660         rc = do_device("device", argv[1]);
 661
 662         if (!rc)
 663                 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
 664
 665         ret = do_disconnect(argv[0], 0);
 666         if (!rc)
 667                 rc = ret;
 668
 669         return rc;
 670 }
 671
 672 #ifdef MAX_THREADS
 673 static void parent_sighandler (int sig)
 674 {
 675         return;
 676 }
 677
 678 int jt_opt_threads(int argc, char **argv)
 679 {
 680         static char      cmdstr[128];
 681         sigset_t         saveset;
 682         sigset_t         sigset;
 683         struct sigaction sigact;
 684         struct sigaction saveact1;
 685         struct sigaction saveact2;
 686         unsigned long    threads;
 687         __u64            next_thread;
 688         int verbose;
 689         int rc = 0;
 690         int report_count = -1;
 691         char *end;
 692         int i;
 693
 694         if (argc < 5)
 695                 return CMD_HELP;
 696
 697         threads = strtoul(argv[1], &end, 0);
 698
 699         if (*end == '.')
 700                 report_count = strtoul(end + 1, &end, 0);
 701
 702         if (*end || threads > MAX_THREADS) {
 703                 fprintf(stderr, "error: %s: invalid thread count '%s'\n",
 704                         jt_cmdname(argv[0]), argv[1]);
 705                 return CMD_HELP;
 706         }
 707
 708         verbose = get_verbose(argv[0], argv[2]);
 709         if (verbose == BAD_VERBOSE)
 710                 return CMD_HELP;
 711
 712         if (verbose != 0) {
 713                 snprintf(cmdstr, sizeof(cmdstr), "%s", argv[4]);
 714                 for (i = 5; i < argc; i++)
 715                         snprintf(cmdstr + strlen(cmdstr), sizeof(cmdstr),
 716                                  " %s", argv[i]);
 717
 718                 printf("%s: starting %ld threads on device %s running %s\n",
 719                        argv[0], threads, argv[3], cmdstr);
 720         }
 721
 722         shmem_reset(threads);
 723
 724         sigemptyset(&sigset);
 725         sigaddset(&sigset, SIGALRM);
 726         sigaddset(&sigset, SIGCHLD);
 727         sigprocmask(SIG_BLOCK, &sigset, &saveset);
 728
 729         nthreads = threads;
 730
 731         for (i = 1, next_thread = verbose; i <= threads; i++) {
 732                 rc = fork();
 733                 if (rc < 0) {
 734                         fprintf(stderr, "error: %s: #%d - %s\n", argv[0], i,
 735                                 strerror(rc = errno));
 736                         break;
 737                 } else if (rc == 0) {
 738                         sigprocmask(SIG_SETMASK, &saveset, NULL);
 739
 740                         thread = i;
 741                         argv[2] = "--device";
 742                         exit(jt_opt_device(argc - 2, argv + 2));
 743                 } else if (be_verbose(verbose, NULL, i, &next_thread, threads))
 744                         printf("%s: thread #%d (PID %d) started\n",
 745                                argv[0], i, rc);
 746                 rc = 0;
 747         }
 748
 749         if (!thread) {          /* parent process */
 750                 int live_threads = threads;
 751
 752                 sigemptyset(&sigset);
 753                 sigemptyset(&sigact.sa_mask);
 754                 sigact.sa_handler = parent_sighandler;
 755                 sigact.sa_flags = 0;
 756
 757                 sigaction(SIGALRM, &sigact, &saveact1);
 758                 sigaction(SIGCHLD, &sigact, &saveact2);
 759
 760                 while (live_threads > 0) {
 761                         int status;
 762                         pid_t ret;
 763
 764                         if (verbose < 0)        /* periodic stats */
 765                                 alarm(-verbose);
 766
 767                         sigsuspend(&sigset);
 768                         alarm(0);
 769
 770                         while (live_threads > 0) {
 771                                 ret = waitpid(0, &status, WNOHANG);
 772                                 if (ret == 0)
 773                                         break;
 774
 775                                 if (ret < 0) {
 776                                         fprintf(stderr, "error: %s: wait - %s\n",
 777                                                 argv[0], strerror(errno));
 778                                         if (!rc)
 779                                                 rc = errno;
 780                                         continue;
 781                                 } else {
 782                                         /*
 783                                          * This is a hack.  We _should_ be able
 784                                          * to use WIFEXITED(status) to see if
 785                                          * there was an error, but it appears
 786                                          * to be broken and it always returns 1
 787                                          * (OK).  See wait(2).
 788                                          */
 789                                         int err = WEXITSTATUS(status);
 790                                         if (err || WIFSIGNALED(status))
 791                                                 fprintf(stderr,
 792                                                         "%s: PID %d had rc=%d\n",
 793                                                         argv[0], ret, err);
 794                                         if (!rc)
 795                                                 rc = err;
 796
 797                                         live_threads--;
 798                                 }
 799                         }
 800
 801                         /* Show stats while all threads running */
 802                         if (verbose < 0) {
 803                                 shmem_snap(threads, live_threads);
 804                                 if (report_count > 0 && --report_count == 0)
 805                                         shmem_stop();
 806                         }
 807                 }
 808                 sigaction(SIGCHLD, &saveact2, NULL);
 809                 sigaction(SIGALRM, &saveact1, NULL);
 810         }
 811
 812         shmem_total(threads);
 813         sigprocmask(SIG_SETMASK, &saveset, NULL);
 814
 815         return rc;
 816 }
 817 #else
 818 int jt_opt_threads(int argc, char **argv)
 819 {
 820         fprintf(stderr, "%s not-supported in a single-threaded runtime\n",
 821                 jt_cmdname(argv[0]));
 822         return CMD_HELP;
 823 }
 824 #endif
 825
 826 int jt_opt_net(int argc, char **argv)
 827 {
 828         char *arg2[3];
 829         int rc;
 830
 831         if (argc < 3)
 832                 return CMD_HELP;
 833
 834         arg2[0] = argv[0];
 835         arg2[1] = argv[1];
 836         arg2[2] = NULL;
 837         rc = jt_ptl_network (2, arg2);
 838
 839         if (!rc)
 840                 rc = Parser_execarg(argc - 2, argv + 2, cmdlist);
 841
 842         return rc;
 843 }
 844
 845 int jt_obd_no_transno(int argc, char **argv)
 846 {
 847         struct obd_ioctl_data data;
 848         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 849         int rc;
 850
 851         memset(&data, 0, sizeof(data));
 852         data.ioc_dev = cur_device;
 853
 854         if (argc != 1)
 855                 return CMD_HELP;
 856
 857         memset(buf, 0, sizeof(rawbuf));
 858         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 859         if (rc) {
 860                 fprintf(stderr, "error: %s: invalid ioctl\n",
 861                         jt_cmdname(argv[0]));
 862                 return rc;
 863         }
 864         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_NO_TRANSNO, buf);
 865         if (rc < 0)
 866                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 867                         strerror(rc = errno));
 868
 869         return rc;
 870 }
 871
 872 int jt_obd_set_readonly(int argc, char **argv)
 873 {
 874         struct obd_ioctl_data data;
 875         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 876         int rc;
 877
 878         memset(&data, 0, sizeof(data));
 879         data.ioc_dev = cur_device;
 880
 881         if (argc != 1)
 882                 return CMD_HELP;
 883
 884         memset(buf, 0, sizeof(rawbuf));
 885         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 886         if (rc) {
 887                 fprintf(stderr, "error: %s: invalid ioctl\n",
 888                         jt_cmdname(argv[0]));
 889                 return rc;
 890         }
 891         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SET_READONLY, buf);
 892         if (rc < 0)
 893                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 894                         strerror(rc = errno));
 895
 896         return rc;
 897 }
 898
 899 int jt_obd_abort_recovery(int argc, char **argv)
 900 {
 901         struct obd_ioctl_data data;
 902         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 903         int rc;
 904
 905         memset(&data, 0, sizeof(data));
 906         data.ioc_dev = cur_device;
 907
 908         if (argc != 1)
 909                 return CMD_HELP;
 910
 911         memset(buf, 0, sizeof(rawbuf));
 912         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
 913         if (rc) {
 914                 fprintf(stderr, "error: %s: invalid ioctl\n",
 915                         jt_cmdname(argv[0]));
 916                 return rc;
 917         }
 918         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ABORT_RECOVERY, buf);
 919         if (rc < 0)
 920                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
 921                         strerror(rc = errno));
 922
 923         return rc;
 924 }
 925
 926 int jt_get_version(int argc, char **argv)
 927 {
 928         char version[128];
 929         int rc;
 930
 931         if (argc != 1)
 932                 return CMD_HELP;
 933
 934         rc = llapi_get_version_string(version, sizeof(version));
 935         if (rc)
 936                 printf("Lustre version: %s\n", LUSTRE_VERSION_STRING);
 937         else
 938                 printf("Lustre version: %s\n", version);
 939
 940         return 0;
 941 }
 942
 943 static void print_obd_line(char *s)
 944 {
 945         const char *param = "osc/%s/ost_conn_uuid";
 946         char buf[MAX_STRING_SIZE];
 947         char obd_name[MAX_OBD_NAME];
 948         FILE *fp = NULL;
 949         glob_t path;
 950         char *ptr;
 951 retry:
 952         /* obd device type is the first 3 characters of param name */
 953         snprintf(buf, sizeof(buf), " %%*d %%*s %.3s %%%zus %%*s %%*d ",
 954                  param, sizeof(obd_name) - 1);
 955         if (sscanf(s, buf, obd_name) == 0)
 956                 goto try_mdc;
 957         if (cfs_get_param_paths(&path, param, obd_name) != 0)
 958                 goto try_mdc;
 959         fp = fopen(path.gl_pathv[0], "r");
 960         if (fp == NULL) {
 961                 /* need to free path data before retry */
 962                 cfs_free_param_data(&path);
 963 try_mdc:
 964                 if (param[0] == 'o') { /* failed with osc, try mdc */
 965                         param = "mdc/%s/mds_conn_uuid";
 966                         goto retry;
 967                 }
 968                 buf[0] = '\0';
 969                 goto fail_print;
 970         }
 971
 972         /* should not ignore fgets(3)'s return value */
 973         if (!fgets(buf, sizeof(buf), fp)) {
 974                 fprintf(stderr, "reading from %s: %s", buf, strerror(errno));
 975                 goto fail_close;
 976         }
 977
 978 fail_close:
 979         fclose(fp);
 980         cfs_free_param_data(&path);
 981
 982         /* trim trailing newlines */
 983         ptr = strrchr(buf, '\n');
 984         if (ptr)
 985                 *ptr = '\0';
 986 fail_print:
 987         ptr = strrchr(s, '\n');
 988         if (ptr)
 989                 *ptr = '\0';
 990         printf("%s%s%s\n", s, buf[0] ? " " : "", buf);
 991 }
 992
 993 /* get device list by ioctl */
 994 int jt_obd_list_ioctl(int argc, char **argv)
 995 {
 996         int rc, index;
 997         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
 998         struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
 999
1000         if (argc > 2)
1001                 return CMD_HELP;
1002         /* Just ignore a -t option.  Only supported with /proc. */
1003         else if (argc == 2 && strcmp(argv[1], "-t") != 0)
1004                 return CMD_HELP;
1005
1006         for (index = 0;; index++) {
1007                 memset(buf, 0, sizeof(rawbuf));
1008                 data->ioc_version = OBD_IOCTL_VERSION;
1009                 data->ioc_inllen1 =
1010                         sizeof(rawbuf) - cfs_size_round(sizeof(*data));
1011                 data->ioc_inlbuf1 = buf + cfs_size_round(sizeof(*data));
1012                 data->ioc_len = obd_ioctl_packlen(data);
1013                 data->ioc_count = index;
1014
1015                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETDEVICE, buf);
1016                 if (rc != 0)
1017                         break;
1018                 printf("%s\n", (char *)data->ioc_bulk);
1019         }
1020         if (rc != 0) {
1021                 if (errno == ENOENT)
1022                         /* no device or the last device */
1023                         rc = 0;
1024                 else
1025                         fprintf(stderr, "Error getting device list: %s: "
1026                                 "check dmesg.\n", strerror(errno));
1027         }
1028         return rc;
1029 }
1030
1031 int jt_obd_list(int argc, char **argv)
1032 {
1033         char buf[MAX_STRING_SIZE];
1034         int print_obd = 0;
1035         glob_t path;
1036         FILE *fp;
1037
1038         if (argc > 2)
1039                 return CMD_HELP;
1040         else if (argc == 2) {
1041                 if (strcmp(argv[1], "-t") == 0)
1042                         print_obd = 1;
1043                 else
1044                         return CMD_HELP;
1045         }
1046
1047         if (cfs_get_param_paths(&path, "devices") != 0)
1048                 return -errno;
1049
1050         fp = fopen(path.gl_pathv[0], "r");
1051         if (fp == NULL) {
1052                 fprintf(stderr, "error: %s: %s opening %s\n",
1053                         jt_cmdname(argv[0]), strerror(errno), path.gl_pathv[0]);
1054                 cfs_free_param_data(&path);
1055                 return jt_obd_list_ioctl(argc, argv);
1056         }
1057
1058         while (fgets(buf, sizeof(buf), fp) != NULL)
1059                 if (print_obd)
1060                         print_obd_line(buf);
1061                 else
1062                         printf("%s", buf);
1063
1064         cfs_free_param_data(&path);
1065         fclose(fp);
1066         return 0;
1067 }
1068
1069 struct jt_fid_space {
1070         __u64   jt_seq;
1071         __u64   jt_id;
1072         int     jt_width;
1073 };
1074
1075 int jt_obd_alloc_fids(struct jt_fid_space *space, struct lu_fid *fid,
1076                       __u64 *count)
1077 {
1078         int rc;
1079
1080         if (space->jt_seq == 0 || space->jt_id == space->jt_width) {
1081                 struct obd_ioctl_data  data;
1082                 char rawbuf[MAX_IOC_BUFLEN];
1083                 char *buf = rawbuf;
1084                 __u64 seqnr;
1085                 int max_count;
1086
1087                 memset(&data, 0, sizeof(data));
1088                 data.ioc_dev = cur_device;
1089
1090                 data.ioc_pbuf1 = (char *)&seqnr;
1091                 data.ioc_plen1 = sizeof(seqnr);
1092
1093                 data.ioc_pbuf2 = (char *)&max_count;
1094                 data.ioc_plen2 = sizeof(max_count);
1095
1096                 memset(buf, 0, sizeof(rawbuf));
1097                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1098                 if (rc) {
1099                         fprintf(stderr, "error: invalid ioctl rc = %d\n", rc);
1100                         return rc;
1101                 }
1102
1103                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ECHO_ALLOC_SEQ, buf);
1104                 if (rc) {
1105                         fprintf(stderr, "ioctl error: rc = %d\n", rc);
1106                         return rc;
1107                 }
1108
1109                 space->jt_seq = *(__u64 *)data.ioc_pbuf1;
1110                 space->jt_width = *(int *)data.ioc_pbuf2;
1111                 space->jt_id = 1;
1112         }
1113         fid->f_seq = space->jt_seq;
1114         fid->f_oid = space->jt_id;
1115         fid->f_ver = 0;
1116
1117         space->jt_id = space->jt_id + *count;
1118         if (space->jt_id > space->jt_width)
1119                 space->jt_id = space->jt_width;
1120
1121         *count = space->jt_id - fid->f_oid;
1122         return 0;
1123 }
1124
1125 #define MD_STEP_COUNT 1000
1126 int jt_obd_md_common(int argc, char **argv, int cmd)
1127 {
1128         struct obd_ioctl_data  data;
1129         struct timeval         start;
1130         struct timeval         end_time;
1131         char                   rawbuf[MAX_IOC_BUFLEN];
1132         char                  *buf = rawbuf;
1133         int                    mode = 0000644;
1134         int                    create_mode;
1135         int                    rc = 0;
1136         char                  *parent_basedir = NULL;
1137         char                   dirname[4096];
1138         int                    parent_base_id = 0;
1139         int                    parent_count = 1;
1140         __u64                  child_base_id = -1;
1141         int                    stripe_count = 0;
1142         int                    stripe_index = -1;
1143         int                    count = 0;
1144         char                  *end;
1145         __u64                  seconds = 0;
1146         double                 diff;
1147         int                    c;
1148         __u64                  total_count = 0;
1149         char                  *name = NULL;
1150         struct jt_fid_space    fid_space = {0};
1151         int                    version = 0;
1152         struct option          long_opts[] = {
1153                 {"child_base_id",     required_argument, 0, 'b'},
1154                 {"stripe_count",      required_argument, 0, 'c'},
1155                 {"parent_basedir",    required_argument, 0, 'd'},
1156                 {"parent_dircount",   required_argument, 0, 'D'},
1157                 {"stripe_index",      required_argument, 0, 'i'},
1158                 {"mode",              required_argument, 0, 'm'},
1159                 {"count",             required_argument, 0, 'n'},
1160                 {"time",              required_argument, 0, 't'},
1161                 {"version",           no_argument,       0, 'v'},
1162                 {0, 0, 0, 0}
1163         };
1164
1165         while ((c = getopt_long(argc, argv, "b:c:d:D:m:n:t:v",
1166                                 long_opts, NULL)) >= 0) {
1167                 switch (c) {
1168                 case 'b':
1169                         child_base_id = strtoull(optarg, &end, 0);
1170                         if (*end) {
1171                                 fprintf(stderr, "error: %s: bad child_base_id"
1172                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1173                                 return CMD_HELP;
1174                         }
1175                         break;
1176                 case 'c':
1177                         stripe_count = strtoul(optarg, &end, 0);
1178                         if (*end) {
1179                                 fprintf(stderr, "error: %s: bad stripe count"
1180                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1181                                 return CMD_HELP;
1182                         }
1183                         break;
1184                 case 'd':
1185                         parent_basedir = optarg;
1186                         break;
1187                 case 'D':
1188                         parent_count = strtoul(optarg, &end, 0);
1189                         if (*end) {
1190                                 fprintf(stderr, "error: %s: bad parent count"
1191                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1192                                 return CMD_HELP;
1193                         }
1194                         break;
1195                 case 'i':
1196                         stripe_index = strtoul(optarg, &end, 0);
1197                         if (*end) {
1198                                 fprintf(stderr, "error: %s: bad stripe index"
1199                                         " '%s'\n", jt_cmdname(argv[0]), optarg);
1200                                 return CMD_HELP;
1201                         }
1202                         break;
1203                 case 'm':
1204                         mode = strtoul(optarg, &end, 0);
1205                         if (*end) {
1206                                 fprintf(stderr, "error: %s: bad mode '%s'\n",
1207                                         jt_cmdname(argv[0]), optarg);
1208                                 return CMD_HELP;
1209                         }
1210                         break;
1211                 case 'n':
1212                         total_count = strtoul(optarg, &end, 0);
1213                         if (*end || total_count == 0) {
1214                                 fprintf(stderr, "%s: bad child count '%s'\n",
1215                                         jt_cmdname(argv[0]), optarg);
1216                                 return CMD_HELP;
1217                         }
1218                         break;
1219                 case 't':
1220                         seconds = strtoull(optarg, &end, 0);
1221                         if (*end) {
1222                                 fprintf(stderr, "error: %s: seconds '%s'\n",
1223                                         jt_cmdname(argv[0]), optarg);
1224                                 return CMD_HELP;
1225                         }
1226                         break;
1227                 case 'v':
1228                         version = 1;
1229                         break;
1230                 default:
1231                         fprintf(stderr, "error: %s: option '%s' "
1232                                 "unrecognized\n", argv[0], argv[optind - 1]);
1233                         return CMD_HELP;
1234                 }
1235         }
1236
1237         memset(&data, 0, sizeof(data));
1238         data.ioc_dev = cur_device;
1239         if (child_base_id == -1) {
1240                 if (optind >= argc)
1241                         return CMD_HELP;
1242                 name = argv[optind];
1243                 total_count = 1;
1244         } else {
1245                 if (optind < argc) {
1246                         fprintf(stderr, "child_base_id and name can not"
1247                                         " specified at the same time\n");
1248                         return CMD_HELP;
1249                 }
1250         }
1251
1252         if (stripe_count == 0 && stripe_index != -1) {
1253                 fprintf(stderr, "If stripe_count is 0, stripe_index can not"
1254                                 "be specified\n");
1255                 return CMD_HELP;
1256         }
1257
1258         if (total_count == 0 && seconds == 0) {
1259                 fprintf(stderr, "count or seconds needs to be indicated\n");
1260                 return CMD_HELP;
1261         }
1262
1263         if (parent_count <= 0) {
1264                 fprintf(stderr, "parent count must < 0\n");
1265                 return CMD_HELP;
1266         }
1267
1268 #ifdef MAX_THREADS
1269         if (thread) {
1270                 shmem_lock();
1271                 /* threads interleave */
1272                 if (parent_base_id != -1)
1273                         parent_base_id += (thread - 1) % parent_count;
1274
1275                 if (child_base_id != -1)
1276                         child_base_id +=  (thread - 1) * \
1277                                           (MAX_BASE_ID / nthreads);
1278
1279                 shmem_start_time_locked();
1280                 shmem_unlock();
1281         }
1282 #endif
1283         /* If parent directory is not specified, try to get the directory
1284          * from name */
1285         if (parent_basedir == NULL) {
1286                 char *last_lash;
1287                 if (name == NULL) {
1288                         fprintf(stderr, "parent_basedir or name must be"
1289                                         "indicated!\n");
1290                         return CMD_HELP;
1291                 }
1292                 /*Get directory and name from name*/
1293                 last_lash = strrchr(name, '/');
1294                 if (last_lash == NULL || name[0] != '/') {
1295                         fprintf(stderr, "Can not locate %s\n", name);
1296                         return CMD_HELP;
1297                 }
1298
1299                 if (last_lash == name) {
1300                         sprintf(dirname, "%s", "/");
1301                         name++;
1302                 } else {
1303                         int namelen = (unsigned long)last_lash -
1304                                       (unsigned long)name + 1;
1305                         snprintf(dirname, namelen, "%s", name);
1306                         name = last_lash + 1;
1307                 }
1308
1309                 data.ioc_pbuf1 = dirname;
1310                 data.ioc_plen1 = strlen(dirname);
1311
1312                 data.ioc_pbuf2 = name;
1313                 data.ioc_plen2 = strlen(name);
1314         } else {
1315                 if (name != NULL) {
1316                         data.ioc_pbuf2 = name;
1317                         data.ioc_plen2 = strlen(name);
1318                 }
1319                 if (parent_base_id > 0)
1320                         sprintf(dirname, "%s%d", parent_basedir,
1321                                 parent_base_id);
1322                 else
1323                         sprintf(dirname, "%s", parent_basedir);
1324                 data.ioc_pbuf1 = dirname;
1325                 data.ioc_plen1 = strlen(dirname);
1326         }
1327
1328         if (cmd == ECHO_MD_MKDIR || cmd == ECHO_MD_RMDIR)
1329                 create_mode = S_IFDIR;
1330         else
1331                 create_mode = S_IFREG;
1332
1333         data.ioc_obdo1.o_mode = mode | S_IFDIR;
1334         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE |
1335                                  OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
1336         data.ioc_command = cmd;
1337
1338         gettimeofday(&start, NULL);
1339         while (shmem_running()) {
1340                 struct lu_fid fid = { 0 };
1341
1342                 if (child_base_id != -1)
1343                         data.ioc_obdo2.o_oi.oi.oi_id = child_base_id;
1344                 data.ioc_obdo2.o_mode = mode | create_mode;
1345                 data.ioc_obdo2.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE |
1346                                          OBD_MD_FLMODE | OBD_MD_FLFLAGS |
1347                                          OBD_MD_FLGROUP;
1348                 data.ioc_obdo2.o_misc = stripe_count;
1349                 data.ioc_obdo2.o_stripe_idx = stripe_index;
1350
1351                 if (total_count > 0) {
1352                         if ((total_count - count) > MD_STEP_COUNT)
1353                                 data.ioc_count = MD_STEP_COUNT;
1354                         else
1355                                 data.ioc_count = total_count - count;
1356                 } else {
1357                         data.ioc_count = MD_STEP_COUNT;
1358                 }
1359
1360                 if (cmd == ECHO_MD_CREATE || cmd == ECHO_MD_MKDIR) {
1361                         /*Allocate fids for the create */
1362                         rc = jt_obd_alloc_fids(&fid_space, &fid,
1363                                                &data.ioc_count);
1364                         if (rc) {
1365                                 fprintf(stderr, "Allocate fids error %d.\n",rc);
1366                                 return rc;
1367                         }
1368                         fid_to_ostid(&fid, &data.ioc_obdo1.o_oi);
1369                 }
1370
1371                 child_base_id += data.ioc_count;
1372                 count += data.ioc_count;
1373
1374                 memset(buf, 0, sizeof(rawbuf));
1375                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1376                 if (rc) {
1377                         fprintf(stderr, "error: %s: invalid ioctl %d\n",
1378                                 jt_cmdname(argv[0]), rc);
1379                         return rc;
1380                 }
1381
1382                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_ECHO_MD, buf);
1383                 if (rc) {
1384                         fprintf(stderr, "error: %s: %s\n",
1385                                 jt_cmdname(argv[0]), strerror(rc = errno));
1386                         return rc;
1387                 }
1388                 shmem_bump(data.ioc_count);
1389
1390                 gettimeofday(&end_time, NULL);
1391                 diff = difftime(&end_time, &start);
1392                 if (seconds > 0 && (__u64)diff > seconds)
1393                         break;
1394
1395                 if (count >= total_count && total_count > 0)
1396                         break;
1397         }
1398
1399         if (count > 0 && version) {
1400                 gettimeofday(&end_time, NULL);
1401                 diff = difftime(&end_time, &start);
1402                 printf("%s: %d in %.3fs (%.3f /s): %s",
1403                         jt_cmdname(argv[0]), count, diff,
1404                         (double)count/diff, ctime(&end_time.tv_sec));
1405         }
1406
1407 #ifdef MAX_THREADS
1408         if (thread) {
1409                 shmem_lock();
1410                 shmem_end_time_locked();
1411                 shmem_unlock();
1412         }
1413 #endif
1414         return rc;
1415 }
1416
1417 int jt_obd_test_create(int argc, char **argv)
1418 {
1419         return jt_obd_md_common(argc, argv, ECHO_MD_CREATE);
1420 }
1421
1422 int jt_obd_test_mkdir(int argc, char **argv)
1423 {
1424         return jt_obd_md_common(argc, argv, ECHO_MD_MKDIR);
1425 }
1426
1427 int jt_obd_test_destroy(int argc, char **argv)
1428 {
1429         return jt_obd_md_common(argc, argv, ECHO_MD_DESTROY);
1430 }
1431
1432 int jt_obd_test_rmdir(int argc, char **argv)
1433 {
1434         return jt_obd_md_common(argc, argv, ECHO_MD_RMDIR);
1435 }
1436
1437 int jt_obd_test_lookup(int argc, char **argv)
1438 {
1439         return jt_obd_md_common(argc, argv, ECHO_MD_LOOKUP);
1440 }
1441
1442 int jt_obd_test_setxattr(int argc, char **argv)
1443 {
1444         return jt_obd_md_common(argc, argv, ECHO_MD_SETATTR);
1445 }
1446
1447 int jt_obd_test_md_getattr(int argc, char **argv)
1448 {
1449         return jt_obd_md_common(argc, argv, ECHO_MD_GETATTR);
1450 }
1451
1452 int jt_obd_create(int argc, char **argv)
1453 {
1454         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1455         struct obd_ioctl_data data;
1456         struct timeval next_time;
1457         __u64 count = 1, next_count, base_id = 1;
1458         int verbose = 1, mode = 0100644, rc = 0, i;
1459         char *end;
1460
1461         memset(&data, 0, sizeof(data));
1462         data.ioc_dev = cur_device;
1463         if (argc < 2 || argc > 4)
1464                 return CMD_HELP;
1465
1466         count = strtoull(argv[1], &end, 0);
1467         if (*end) {
1468                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1469                         jt_cmdname(argv[0]), argv[1]);
1470                 return CMD_HELP;
1471         }
1472
1473         if (argc > 2) {
1474                 mode = strtoul(argv[2], &end, 0);
1475                 if (*end) {
1476                         fprintf(stderr, "error: %s: invalid mode '%s'\n",
1477                                 jt_cmdname(argv[0]), argv[2]);
1478                         return CMD_HELP;
1479                 }
1480                 if (!(mode & S_IFMT))
1481                         mode |= S_IFREG;
1482         }
1483
1484         if (argc > 3) {
1485                 verbose = get_verbose(argv[0], argv[3]);
1486                 if (verbose == BAD_VERBOSE)
1487                         return CMD_HELP;
1488         }
1489
1490         printf("%s: %jd objects\n", jt_cmdname(argv[0]), (uintmax_t)count);
1491         gettimeofday(&next_time, NULL);
1492         next_time.tv_sec -= verbose;
1493
1494         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1495         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1496                 data.ioc_obdo1.o_mode = mode;
1497                 ostid_set_id(&data.ioc_obdo1.o_oi, base_id);
1498                 data.ioc_obdo1.o_uid = 0;
1499                 data.ioc_obdo1.o_gid = 0;
1500                 data.ioc_obdo1.o_valid = OBD_MD_FLTYPE | OBD_MD_FLMODE |
1501                                          OBD_MD_FLID | OBD_MD_FLUID |
1502                                          OBD_MD_FLGID | OBD_MD_FLGROUP;
1503
1504                 memset(buf, 0, sizeof(rawbuf));
1505                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1506                 if (rc) {
1507                         fprintf(stderr, "error: %s: invalid ioctl\n",
1508                                 jt_cmdname(argv[0]));
1509                         return rc;
1510                 }
1511                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CREATE, buf);
1512                 obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
1513                 shmem_bump(1);
1514                 if (rc < 0) {
1515                         fprintf(stderr, "error: %s: #%d - %s\n",
1516                                 jt_cmdname(argv[0]), i, strerror(rc = errno));
1517                         break;
1518                 }
1519                 if (!(data.ioc_obdo1.o_valid & OBD_MD_FLID)) {
1520                         fprintf(stderr, "error: %s: oid not valid #%d:%#jx\n",
1521                                 jt_cmdname(argv[0]), i,
1522                                 (uintmax_t)data.ioc_obdo1.o_valid);
1523                         rc = EINVAL;
1524                         break;
1525                 }
1526
1527                 if (be_verbose(verbose, &next_time, i, &next_count, count))
1528                         printf("%s: #%d is object id %#jx\n",
1529                                jt_cmdname(argv[0]), i,
1530                                (uintmax_t) ostid_id(&data.ioc_obdo1.o_oi));
1531         }
1532         return rc;
1533 }
1534
1535 int jt_obd_setattr(int argc, char **argv)
1536 {
1537         struct obd_ioctl_data data;
1538         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1539         char *end;
1540         int rc;
1541
1542         memset(&data, 0, sizeof(data));
1543         data.ioc_dev = cur_device;
1544         if (argc != 2)
1545                 return CMD_HELP;
1546
1547         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1548         ostid_set_id(&data.ioc_obdo1.o_oi, strtoull(argv[1], &end, 0));
1549         if (*end) {
1550                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1551                         jt_cmdname(argv[0]), argv[1]);
1552                 return CMD_HELP;
1553         }
1554         data.ioc_obdo1.o_mode = S_IFREG | strtoul(argv[2], &end, 0);
1555         if (*end) {
1556                 fprintf(stderr, "error: %s: invalid mode '%s'\n",
1557                         jt_cmdname(argv[0]), argv[2]);
1558                 return CMD_HELP;
1559         }
1560         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1561
1562         memset(buf, 0, sizeof(rawbuf));
1563         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1564         if (rc) {
1565                 fprintf(stderr, "error: %s: invalid ioctl\n",
1566                         jt_cmdname(argv[0]));
1567                 return rc;
1568         }
1569         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, buf);
1570         if (rc < 0)
1571                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1572                         strerror(rc = errno));
1573
1574         return rc;
1575 }
1576
1577 int jt_obd_test_setattr(int argc, char **argv)
1578 {
1579         struct obd_ioctl_data data;
1580         struct timeval start, next_time;
1581         __u64 i, count, next_count;
1582         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1583         int verbose = 1;
1584         __u64 objid = 3;
1585         char *end;
1586         int rc = 0;
1587
1588         if (argc < 2 || argc > 4)
1589                 return CMD_HELP;
1590
1591         memset(&data, 0, sizeof(data));
1592         data.ioc_dev = cur_device;
1593         count = strtoull(argv[1], &end, 0);
1594         if (*end) {
1595                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1596                         jt_cmdname(argv[0]), argv[1]);
1597                 return CMD_HELP;
1598         }
1599
1600         if (argc >= 3) {
1601                 verbose = get_verbose(argv[0], argv[2]);
1602                 if (verbose == BAD_VERBOSE)
1603                         return CMD_HELP;
1604         }
1605
1606         if (argc >= 4) {
1607                 if (argv[3][0] == 't') {
1608                         objid = strtoull(argv[3] + 1, &end, 0);
1609                         if (thread)
1610                                 objid += thread - 1;
1611                 } else
1612                         objid = strtoull(argv[3], &end, 0);
1613                 if (*end) {
1614                         fprintf(stderr, "error: %s: invalid objid '%s'\n",
1615                                 jt_cmdname(argv[0]), argv[3]);
1616                         return CMD_HELP;
1617                 }
1618         }
1619
1620         gettimeofday(&start, NULL);
1621         next_time.tv_sec = start.tv_sec - verbose;
1622         next_time.tv_usec = start.tv_usec;
1623         if (verbose != 0)
1624                 printf("%s: setting %jd attrs (objid %#jx): %s",
1625                        jt_cmdname(argv[0]), (uintmax_t)count,
1626                        (uintmax_t)objid, ctime(&start.tv_sec));
1627
1628         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1629         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1630                 ostid_set_id(&data.ioc_obdo1.o_oi, objid);
1631                 data.ioc_obdo1.o_mode = S_IFREG;
1632                 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE;
1633                 memset(buf, 0, sizeof(rawbuf));
1634                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1635                 if (rc) {
1636                         fprintf(stderr, "error: %s: invalid ioctl\n",
1637                                 jt_cmdname(argv[0]));
1638                         return rc;
1639                 }
1640                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_SETATTR, &data);
1641                 shmem_bump(1);
1642                 if (rc < 0) {
1643                         fprintf(stderr, "error: %s: #%jd - %d:%s\n",
1644                                 jt_cmdname(argv[0]), (uintmax_t)i,
1645                                 errno, strerror(rc = errno));
1646                         break;
1647                 } else {
1648                         if (be_verbose
1649                             (verbose, &next_time, i, &next_count, count))
1650                                 printf("%s: set attr #%jd\n",
1651                                        jt_cmdname(argv[0]), (uintmax_t)i);
1652                 }
1653         }
1654
1655         if (!rc) {
1656                 struct timeval end;
1657                 double diff;
1658
1659                 gettimeofday(&end, NULL);
1660
1661                 diff = difftime(&end, &start);
1662
1663                 --i;
1664                 if (verbose != 0)
1665                         printf("%s: %jd attrs in %.3fs (%.3f attr/s): %s",
1666                                jt_cmdname(argv[0]), (uintmax_t)i, diff,
1667                                i / diff, ctime(&end.tv_sec));
1668         }
1669         return rc;
1670 }
1671
1672 int jt_obd_destroy(int argc, char **argv)
1673 {
1674         struct obd_ioctl_data data;
1675         struct timeval next_time;
1676         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1677         __u64 count = 1, next_count;
1678         int verbose = 1;
1679         __u64 id;
1680         char *end;
1681         int rc = 0, i;
1682
1683         memset(&data, 0, sizeof(data));
1684         data.ioc_dev = cur_device;
1685         if (argc < 2 || argc > 4)
1686                 return CMD_HELP;
1687
1688         id = strtoull(argv[1], &end, 0);
1689         if (*end || id == 0 || errno != 0) {
1690                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1691                         jt_cmdname(argv[0]), argv[1]);
1692                 return CMD_HELP;
1693         }
1694         if (argc > 2) {
1695                 count = strtoull(argv[2], &end, 0);
1696                 if (*end) {
1697                         fprintf(stderr,
1698                                 "error: %s: invalid iteration count '%s'\n",
1699                                 jt_cmdname(argv[0]), argv[2]);
1700                         return CMD_HELP;
1701                 }
1702         }
1703
1704         if (argc > 3) {
1705                 verbose = get_verbose(argv[0], argv[3]);
1706                 if (verbose == BAD_VERBOSE)
1707                         return CMD_HELP;
1708         }
1709
1710         printf("%s: %jd objects\n", jt_cmdname(argv[0]), (uintmax_t)count);
1711         gettimeofday(&next_time, NULL);
1712         next_time.tv_sec -= verbose;
1713
1714         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1715         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++, id++) {
1716                 ostid_set_id(&data.ioc_obdo1.o_oi, id);
1717                 data.ioc_obdo1.o_mode = S_IFREG | 0644;
1718                 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLMODE;
1719
1720                 memset(buf, 0, sizeof(rawbuf));
1721                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1722                 if (rc) {
1723                         fprintf(stderr, "error: %s: invalid ioctl\n",
1724                                 jt_cmdname(argv[0]));
1725                         return rc;
1726                 }
1727                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_DESTROY, buf);
1728                 obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
1729                 shmem_bump(1);
1730                 if (rc < 0) {
1731                         fprintf(stderr, "error: %s: objid %#jx: %s\n",
1732                                 jt_cmdname(argv[0]), (uintmax_t)id,
1733                                 strerror(rc = errno));
1734                         break;
1735                 }
1736
1737                 if (be_verbose(verbose, &next_time, i, &next_count, count))
1738                         printf("%s: #%d is object id %#jx\n",
1739                                jt_cmdname(argv[0]), i, (uintmax_t)id);
1740         }
1741
1742         return rc;
1743 }
1744
1745 int jt_obd_getattr(int argc, char **argv)
1746 {
1747         struct obd_ioctl_data data;
1748         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1749         char *end;
1750         int rc;
1751
1752         if (argc != 2)
1753                 return CMD_HELP;
1754
1755         memset(&data, 0, sizeof(data));
1756         data.ioc_dev = cur_device;
1757         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1758         ostid_set_id(&data.ioc_obdo1.o_oi, strtoull(argv[1], &end, 0));
1759         if (*end) {
1760                 fprintf(stderr, "error: %s: invalid objid '%s'\n",
1761                         jt_cmdname(argv[0]), argv[1]);
1762                 return CMD_HELP;
1763         }
1764         /* to help obd filter */
1765         data.ioc_obdo1.o_mode = 0100644;
1766         data.ioc_obdo1.o_valid = 0xffffffff;
1767         printf("%s: object id %#jx\n", jt_cmdname(argv[0]),
1768                (uintmax_t)ostid_id(&data.ioc_obdo1.o_oi));
1769
1770         memset(buf, 0, sizeof(rawbuf));
1771         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1772         if (rc) {
1773                 fprintf(stderr, "error: %s: invalid ioctl\n",
1774                         jt_cmdname(argv[0]));
1775                 return rc;
1776         }
1777         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, buf);
1778         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
1779         if (rc) {
1780                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
1781                         strerror(rc = errno));
1782         } else {
1783                 printf("%s: object id %ju, mode %o\n", jt_cmdname(argv[0]),
1784                        (uintmax_t)ostid_id(&data.ioc_obdo1.o_oi),
1785                        data.ioc_obdo1.o_mode);
1786         }
1787         return rc;
1788 }
1789
1790 int jt_obd_test_getattr(int argc, char **argv)
1791 {
1792         struct obd_ioctl_data data;
1793         struct timeval start, next_time;
1794         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1795         __u64 i, count, next_count;
1796         int verbose = 1;
1797         __u64 objid = 3;
1798         char *end;
1799         int rc = 0;
1800
1801         if (argc < 2 || argc > 4)
1802                 return CMD_HELP;
1803
1804         memset(&data, 0, sizeof(data));
1805         data.ioc_dev = cur_device;
1806         count = strtoull(argv[1], &end, 0);
1807         if (*end) {
1808                 fprintf(stderr, "error: %s: invalid iteration count '%s'\n",
1809                         jt_cmdname(argv[0]), argv[1]);
1810                 return CMD_HELP;
1811         }
1812
1813         if (argc >= 3) {
1814                 verbose = get_verbose(argv[0], argv[2]);
1815                 if (verbose == BAD_VERBOSE)
1816                         return CMD_HELP;
1817         }
1818
1819         if (argc >= 4) {
1820                 if (argv[3][0] == 't') {
1821                         objid = strtoull(argv[3] + 1, &end, 0);
1822                         if (thread)
1823                                 objid += thread - 1;
1824                 } else
1825                         objid = strtoull(argv[3], &end, 0);
1826                 if (*end) {
1827                         fprintf(stderr, "error: %s: invalid objid '%s'\n",
1828                                 jt_cmdname(argv[0]), argv[3]);
1829                         return CMD_HELP;
1830                 }
1831         }
1832
1833         gettimeofday(&start, NULL);
1834         next_time.tv_sec = start.tv_sec - verbose;
1835         next_time.tv_usec = start.tv_usec;
1836         if (verbose != 0)
1837                 printf("%s: getting %jd attrs (objid %#jx): %s",
1838                        jt_cmdname(argv[0]), (uintmax_t) count,
1839                        (uintmax_t)objid, ctime(&start.tv_sec));
1840
1841         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
1842         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
1843                 ostid_set_id(&data.ioc_obdo1.o_oi, objid);
1844                 data.ioc_obdo1.o_mode = S_IFREG;
1845                 data.ioc_obdo1.o_valid = 0xffffffff;
1846                 memset(buf, 0, sizeof(rawbuf));
1847                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
1848                 if (rc) {
1849                         fprintf(stderr, "error: %s: invalid ioctl\n",
1850                                 jt_cmdname(argv[0]));
1851                         return rc;
1852                 }
1853                 rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GETATTR, &data);
1854                 shmem_bump(1);
1855                 if (rc < 0) {
1856                         fprintf(stderr, "error: %s: #%jd - %d:%s\n",
1857                                 jt_cmdname(argv[0]), (uintmax_t)i,
1858                                 errno, strerror(rc = errno));
1859                         break;
1860                 } else {
1861                         if (be_verbose
1862                             (verbose, &next_time, i, &next_count, count))
1863                                 printf("%s: got attr #%jd\n",
1864                                        jt_cmdname(argv[0]), (uintmax_t)i);
1865                 }
1866         }
1867
1868         if (!rc) {
1869                 struct timeval end;
1870                 double diff;
1871
1872                 gettimeofday(&end, NULL);
1873
1874                 diff = difftime(&end, &start);
1875
1876                 --i;
1877                 if (verbose != 0)
1878                         printf("%s: %jd attrs in %.3fs (%.3f attr/s): %s",
1879                                jt_cmdname(argv[0]), (uintmax_t) i, diff,
1880                                i / diff, ctime(&end.tv_sec));
1881         }
1882         return rc;
1883 }
1884
1885 /* test_brw <cnt>                                               count
1886         <r|w[r(repeat)x(noverify)]>                             mode
1887         <q|v|#(print interval)>                                 verbosity
1888         <npages[+offset]>                                       blocksize
1889         <[[<interleave_threads>]t(inc obj by thread#)]obj>      object
1890         [p|g<args>]                                             batch */
1891 int jt_obd_test_brw(int argc, char **argv)
1892 {
1893         struct obd_ioctl_data data;
1894         struct timeval start, next_time;
1895         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
1896         __u64 count, next_count, len, stride, thr_offset = 0, objid = 3;
1897         int write = 0, verbose = 1, cmd, i, rc = 0, pages = 1;
1898         int offset_pages = 0;
1899         long n;
1900         int repeat_offset = 0;
1901         unsigned long long ull;
1902         int  nthr_per_obj = 0;
1903         int  verify = 1;
1904         int  obj_idx = 0;
1905         char *end;
1906
1907         if (argc < 2 || argc > 7) {
1908                 fprintf(stderr, "error: %s: bad number of arguments: %d\n",
1909                         jt_cmdname(argv[0]), argc);
1910                 return CMD_HELP;
1911         }
1912
1913         count = strtoull(argv[1], &end, 0);
1914         if (*end) {
1915                 fprintf(stderr, "error: %s: bad iteration count '%s'\n",
1916                         jt_cmdname(argv[0]), argv[1]);
1917                 return CMD_HELP;
1918         }
1919
1920         if (argc >= 3) {
1921                 if (argv[2][0] == 'w' || argv[2][0] == '1')
1922                         write = 1;
1923                 /* else it's a read */
1924
1925                 if (argv[2][0] != 0)
1926                         for (i = 1; argv[2][i] != 0; i++)
1927                                 switch (argv[2][i]) {
1928                                 case 'r':
1929                                         repeat_offset = 1;
1930                                         break;
1931
1932                                 case 'x':
1933                                         verify = 0;
1934                                         break;
1935
1936                                 default:
1937                                         fprintf (stderr, "Can't parse cmd '%s'\n",
1938                                                  argv[2]);
1939                                         return CMD_HELP;
1940                                 }
1941         }
1942
1943         if (argc >= 4) {
1944                 verbose = get_verbose(argv[0], argv[3]);
1945                 if (verbose == BAD_VERBOSE)
1946                         return CMD_HELP;
1947         }
1948
1949         if (argc >= 5) {
1950                 pages = strtoul(argv[4], &end, 0);
1951
1952                 if (*end == '+')
1953                         offset_pages = strtoul(end + 1, &end, 0);
1954
1955                 if (*end != 0 ||
1956                     offset_pages < 0 || offset_pages >= pages) {
1957                         fprintf(stderr, "error: %s: bad npages[+offset] parameter '%s'\n",
1958                                 jt_cmdname(argv[0]), argv[4]);
1959                         return CMD_HELP;
1960                 }
1961         }
1962
1963         if (argc >= 6) {
1964                 if (thread &&
1965                     (n = strtol(argv[5], &end, 0)) > 0 &&
1966                     *end == 't' &&
1967                     (ull = strtoull(end + 1, &end, 0)) > 0 &&
1968                     *end == 0) {
1969                         nthr_per_obj = n;
1970                         objid = ull;
1971                 } else if (thread &&
1972                            argv[5][0] == 't') {
1973                         nthr_per_obj = 1;
1974                         objid = strtoull(argv[5] + 1, &end, 0);
1975                 } else {
1976                         nthr_per_obj = 0;
1977                         objid = strtoull(argv[5], &end, 0);
1978                 }
1979                 if (*end) {
1980                         fprintf(stderr, "error: %s: bad objid '%s'\n",
1981                                 jt_cmdname(argv[0]), argv[5]);
1982                         return CMD_HELP;
1983                 }
1984         }
1985
1986         memset(&data, 0, sizeof(data));
1987         data.ioc_dev = cur_device;
1988
1989         /* communicate the 'type' of brw test and batching to echo_client.
1990          * don't start.  we'd love to refactor this lctl->echo_client
1991          * interface */
1992         data.ioc_pbuf1 = (void *)1;
1993         data.ioc_plen1 = 1;
1994
1995         if (argc >= 7) {
1996                 switch(argv[6][0]) {
1997                         case 'g': /* plug and unplug */
1998                                 data.ioc_pbuf1 = (void *)2;
1999                                 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
2000                                                           0);
2001                                 break;
2002                         case 'p': /* prep and commit */
2003                                 data.ioc_pbuf1 = (void *)3;
2004                                 data.ioc_plen1 = strtoull(argv[6] + 1, &end,
2005                                                           0);
2006                                 break;
2007                         default:
2008                                 fprintf(stderr, "error: %s: batching '%s' "
2009                                         "needs to specify 'p' or 'g'\n",
2010                                         jt_cmdname(argv[0]), argv[6]);
2011                                 return CMD_HELP;
2012                 }
2013
2014                 if (*end) {
2015                         fprintf(stderr, "error: %s: bad batching '%s'\n",
2016                                 jt_cmdname(argv[0]), argv[6]);
2017                         return CMD_HELP;
2018                 }
2019                 data.ioc_plen1 *= getpagesize();
2020         }
2021
2022         len = pages * getpagesize();
2023         thr_offset = offset_pages * getpagesize();
2024         stride = len;
2025
2026 #ifdef MAX_THREADS
2027         if (thread) {
2028                 shmem_lock ();
2029                 if (nthr_per_obj != 0) {
2030                         /* threads interleave */
2031                         obj_idx = (thread - 1)/nthr_per_obj;
2032                         objid += obj_idx;
2033                         stride *= nthr_per_obj;
2034                         if ((thread - 1) % nthr_per_obj == 0) {
2035                                 shared_data->body.offsets[obj_idx] =
2036                                         stride + thr_offset;
2037                         }
2038                         thr_offset += ((thread - 1) % nthr_per_obj) * len;
2039                 } else {
2040                         /* threads disjoint */
2041                         thr_offset += (thread - 1) * len;
2042                 }
2043
2044                 shmem_start_time_locked();
2045                 shmem_unlock ();
2046         }
2047 #endif
2048
2049         ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
2050         ostid_set_id(&data.ioc_obdo1.o_oi, objid);
2051         data.ioc_obdo1.o_mode = S_IFREG;
2052         data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE |
2053                                  OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
2054         data.ioc_obdo1.o_flags = (verify ? OBD_FL_DEBUG_CHECK : 0);
2055         data.ioc_count = len;
2056         data.ioc_offset = (repeat_offset ? 0 : thr_offset);
2057
2058         gettimeofday(&start, NULL);
2059         next_time.tv_sec = start.tv_sec - verbose;
2060         next_time.tv_usec = start.tv_usec;
2061
2062         if (verbose != 0)
2063                 printf("%s: %s %jux%d pages (obj %#jx, off %ju): %s",
2064                        jt_cmdname(argv[0]), write ? "writing" : "reading",
2065                        (uintmax_t)count, pages, (uintmax_t) objid,
2066                        (uintmax_t)data.ioc_offset, ctime(&start.tv_sec));
2067
2068         cmd = write ? OBD_IOC_BRW_WRITE : OBD_IOC_BRW_READ;
2069         for (i = 1, next_count = verbose; i <= count && shmem_running(); i++) {
2070                 data.ioc_obdo1.o_valid &= ~(OBD_MD_FLBLOCKS|OBD_MD_FLGRANT);
2071                 memset(buf, 0, sizeof(rawbuf));
2072                 rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2073                 if (rc) {
2074                         fprintf(stderr, "error: %s: invalid ioctl\n",
2075                                 jt_cmdname(argv[0]));
2076                         return rc;
2077                 }
2078                 rc = l2_ioctl(OBD_DEV_ID, cmd, buf);
2079                 shmem_bump(1);
2080                 if (rc) {
2081                         fprintf(stderr, "error: %s: #%d - %s on %s\n",
2082                                 jt_cmdname(argv[0]), i, strerror(rc = errno),
2083                                 write ? "write" : "read");
2084                         break;
2085                 } else if (be_verbose(verbose, &next_time,i, &next_count,count)) {
2086                         shmem_lock ();
2087                         printf("%s: %s number %d @ %jd:%ju for %d\n",
2088                                jt_cmdname(argv[0]), write ? "write" : "read", i,
2089                                (uintmax_t)ostid_id(&data.ioc_obdo1.o_oi),
2090                                (uintmax_t)data.ioc_offset,
2091                                (int)(pages * getpagesize()));
2092                         shmem_unlock ();
2093                 }
2094
2095                 if (!repeat_offset) {
2096 #ifdef MAX_THREADS
2097                         if (stride == len) {
2098                                 data.ioc_offset += stride;
2099                         } else if (i < count) {
2100                                 shmem_lock ();
2101                                 data.ioc_offset =
2102                                         shared_data->body.offsets[obj_idx];
2103                                 shared_data->body.offsets[obj_idx] += len;
2104                                 shmem_unlock ();
2105                         }
2106 #else
2107                         data.ioc_offset += len;
2108                         obj_idx = 0; /* avoids an unused var warning */
2109 #endif
2110                 }
2111         }
2112
2113         if (!rc) {
2114                 struct timeval end;
2115                 double diff;
2116
2117                 gettimeofday(&end, NULL);
2118
2119                 diff = difftime(&end, &start);
2120
2121                 --i;
2122                 if (verbose != 0)
2123                         printf("%s: %s %dx%d pages in %.3fs (%.3f MB/s): %s",
2124                                jt_cmdname(argv[0]), write ? "wrote" : "read",
2125                                i, pages, diff,
2126                                ((double)i * pages * getpagesize()) /
2127                                (diff * 1048576.0),
2128                                ctime(&end.tv_sec));
2129         }
2130
2131 #ifdef MAX_THREADS
2132         if (thread) {
2133                 shmem_lock();
2134                 shmem_end_time_locked();
2135                 shmem_unlock();
2136         }
2137 #endif
2138         return rc;
2139 }
2140
2141 int jt_obd_lov_getconfig(int argc, char **argv)
2142 {
2143         struct obd_ioctl_data data;
2144         struct lov_desc desc;
2145         struct obd_uuid *uuidarray;
2146         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2147         __u32 *obdgens;
2148         char *path;
2149         int rc, fd;
2150
2151         memset(&data, 0, sizeof(data));
2152         data.ioc_dev = cur_device;
2153
2154         if (argc != 2)
2155                 return CMD_HELP;
2156
2157         path = argv[1];
2158         fd = open(path, O_RDONLY);
2159         if (fd < 0) {
2160                 fprintf(stderr, "open \"%s\" failed: %s\n", path,
2161                         strerror(errno));
2162                 return -errno;
2163         }
2164
2165         memset(&desc, 0, sizeof(desc));
2166         obd_str2uuid(&desc.ld_uuid, argv[1]);
2167         desc.ld_tgt_count = ((OBD_MAX_IOCTL_BUFFER-sizeof(data)-sizeof(desc)) /
2168                              (sizeof(*uuidarray) + sizeof(*obdgens)));
2169
2170 repeat:
2171         uuidarray = calloc(desc.ld_tgt_count, sizeof(*uuidarray));
2172         if (!uuidarray) {
2173                 fprintf(stderr, "error: %s: no memory for %d uuid's\n",
2174                         jt_cmdname(argv[0]), desc.ld_tgt_count);
2175                 rc = -ENOMEM;
2176                 goto out;
2177         }
2178         obdgens = calloc(desc.ld_tgt_count, sizeof(*obdgens));
2179         if (!obdgens) {
2180                 fprintf(stderr, "error: %s: no memory for %d generation #'s\n",
2181                         jt_cmdname(argv[0]), desc.ld_tgt_count);
2182                 rc = -ENOMEM;
2183                 goto out_uuidarray;
2184         }
2185
2186         memset(buf, 0, sizeof(rawbuf));
2187         data.ioc_inllen1 = sizeof(desc);
2188         data.ioc_inlbuf1 = (char *)&desc;
2189         data.ioc_inllen2 = desc.ld_tgt_count * sizeof(*uuidarray);
2190         data.ioc_inlbuf2 = (char *)uuidarray;
2191         data.ioc_inllen3 = desc.ld_tgt_count * sizeof(*obdgens);
2192         data.ioc_inlbuf3 = (char *)obdgens;
2193
2194         if (obd_ioctl_pack(&data, &buf, sizeof(rawbuf))) {
2195                 fprintf(stderr, "error: %s: invalid ioctl\n",
2196                         jt_cmdname(argv[0]));
2197                 rc = -EINVAL;
2198                 goto out_obdgens;
2199         }
2200         rc = ioctl(fd, OBD_IOC_LOV_GET_CONFIG, buf);
2201         if (rc == -ENOSPC) {
2202                 free(uuidarray);
2203                 free(obdgens);
2204                 goto repeat;
2205         } else if (rc) {
2206                 fprintf(stderr, "error: %s: ioctl error: %s\n",
2207                         jt_cmdname(argv[0]), strerror(rc = errno));
2208         } else {
2209                 struct obd_uuid *uuidp;
2210                 __u32 *genp;
2211                 int i;
2212
2213                 if (obd_ioctl_unpack(&data, buf, sizeof(rawbuf))) {
2214                         fprintf(stderr, "error: %s: invalid reply\n",
2215                                 jt_cmdname(argv[0]));
2216                         rc = -EINVAL;
2217                         goto out;
2218                 }
2219                 if (desc.ld_default_stripe_count == (__u32)-1)
2220                         printf("default_stripe_count: %d\n", -1);
2221                 else
2222                         printf("default_stripe_count: %u\n",
2223                                desc.ld_default_stripe_count);
2224                 printf("default_stripe_size: %ju\n",
2225                        (uintmax_t)desc.ld_default_stripe_size);
2226                 printf("default_stripe_offset: %ju\n",
2227                        (uintmax_t)desc.ld_default_stripe_offset);
2228                 printf("default_stripe_pattern: %u\n", desc.ld_pattern);
2229                 printf("obd_count: %u\n", desc.ld_tgt_count);
2230                 printf("OBDS:\tobdidx\t\tobdgen\t\t obduuid\n");
2231                 uuidp = uuidarray;
2232                 genp = obdgens;
2233                 for (i = 0; i < desc.ld_tgt_count; i++, uuidp++, genp++)
2234                         printf("\t%6u\t%14u\t\t %s\n", i, *genp, (char *)uuidp);
2235         }
2236 out_obdgens:
2237         free(obdgens);
2238 out_uuidarray:
2239         free(uuidarray);
2240 out:
2241         close(fd);
2242         return rc;
2243 }
2244
2245 static int do_activate(int argc, char **argv, int flag)
2246 {
2247         struct obd_ioctl_data data;
2248         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2249         int rc;
2250
2251         memset(&data, 0, sizeof(data));
2252         data.ioc_dev = cur_device;
2253         if (argc != 1)
2254                 return CMD_HELP;
2255
2256         /* reuse offset for 'active' */
2257         data.ioc_offset = flag;
2258
2259         memset(buf, 0, sizeof(rawbuf));
2260         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2261         if (rc) {
2262                 fprintf(stderr, "error: %s: invalid ioctl\n",
2263                         jt_cmdname(argv[0]));
2264                 return rc;
2265         }
2266         rc = l2_ioctl(OBD_DEV_ID, IOC_OSC_SET_ACTIVE, buf);
2267         if (rc)
2268                 fprintf(stderr, "error: %s: failed: %s\n",
2269                         jt_cmdname(argv[0]), strerror(rc = errno));
2270
2271         return rc;
2272 }
2273
2274 /**
2275  * Replace nids for given device.
2276  * lctl replace_nids <devicename> <nid1>[,nid2,nid3]
2277  * Command should be started on MGS server.
2278  * Only MGS server should be started (command execution
2279  * returns error in another cases). Command mount
2280  * -t lustre <MDT partition> -o nosvc <mount point>
2281  * can be used for that.
2282  *
2283  * llogs for MDTs and clients are processed. All
2284  * records copied as is except add_uuid and setup. This records
2285  * are skipped and recorded with new nids and uuid.
2286  *
2287  * \see mgs_replace_nids
2288  * \see mgs_replace_nids_log
2289  * \see mgs_replace_handler
2290  */
2291 int jt_replace_nids(int argc, char **argv)
2292 {
2293         int rc;
2294         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2295         struct obd_ioctl_data data;
2296
2297         memset(&data, 0, sizeof(data));
2298         data.ioc_dev = get_mgs_device();
2299         if (argc != 3)
2300                 return CMD_HELP;
2301
2302         data.ioc_inllen1 = strlen(argv[1]) + 1;
2303         data.ioc_inlbuf1 = argv[1];
2304
2305         data.ioc_inllen2 = strlen(argv[2]) + 1;
2306         data.ioc_inlbuf2 = argv[2];
2307         memset(buf, 0, sizeof(rawbuf));
2308         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2309         if (rc) {
2310                 fprintf(stderr, "error: %s: invalid ioctl\n",
2311                         jt_cmdname(argv[0]));
2312                 return rc;
2313         }
2314
2315         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_REPLACE_NIDS, buf);
2316         if (rc < 0) {
2317                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
2318                         strerror(rc = errno));
2319         }
2320
2321         return rc;
2322 }
2323
2324 int jt_obd_deactivate(int argc, char **argv)
2325 {
2326         return do_activate(argc, argv, 0);
2327 }
2328
2329 int jt_obd_activate(int argc, char **argv)
2330 {
2331         return do_activate(argc, argv, 1);
2332 }
2333
2334 int jt_obd_recover(int argc, char **argv)
2335 {
2336         int rc;
2337         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2338         struct obd_ioctl_data data;
2339
2340         memset(&data, 0, sizeof(data));
2341         data.ioc_dev = cur_device;
2342         if (argc > 2)
2343                 return CMD_HELP;
2344
2345         if (argc == 2) {
2346                 data.ioc_inllen1 = strlen(argv[1]) + 1;
2347                 data.ioc_inlbuf1 = argv[1];
2348         }
2349
2350         memset(buf, 0, sizeof(rawbuf));
2351         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2352         if (rc) {
2353                 fprintf(stderr, "error: %s: invalid ioctl\n",
2354                         jt_cmdname(argv[0]));
2355                 return rc;
2356         }
2357         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CLIENT_RECOVER, buf);
2358         if (rc < 0) {
2359                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
2360                         strerror(rc = errno));
2361         }
2362
2363         return rc;
2364 }
2365
2366 int jt_obd_mdc_lookup(int argc, char **argv)
2367 {
2368         struct obd_ioctl_data data;
2369         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2370         char *parent, *child;
2371         int rc, fd, verbose = 1;
2372
2373         if (argc < 3 || argc > 4)
2374                 return CMD_HELP;
2375
2376         parent = argv[1];
2377         child = argv[2];
2378         if (argc == 4)
2379                 verbose = get_verbose(argv[0], argv[3]);
2380
2381         memset(&data, 0, sizeof(data));
2382         data.ioc_dev = cur_device;
2383
2384         data.ioc_inllen1 = strlen(child) + 1;
2385         data.ioc_inlbuf1 = child;
2386
2387         memset(buf, 0, sizeof(rawbuf));
2388         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2389         if (rc) {
2390                 fprintf(stderr, "error: %s: invalid ioctl\n",
2391                         jt_cmdname(argv[0]));
2392                 return rc;
2393         }
2394
2395         fd = open(parent, O_RDONLY);
2396         if (fd < 0) {
2397                 fprintf(stderr, "open \"%s\" failed: %s\n", parent,
2398                         strerror(errno));
2399                 return -1;
2400         }
2401
2402         rc = ioctl(fd, IOC_MDC_LOOKUP, buf);
2403         if (rc < 0) {
2404                 fprintf(stderr, "error: %s: ioctl error: %s\n",
2405                         jt_cmdname(argv[0]), strerror(rc = errno));
2406         }
2407         close(fd);
2408
2409         if (verbose) {
2410                 rc = obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
2411                 if (rc) {
2412                         fprintf(stderr, "error: %s: invalid reply\n",
2413                                 jt_cmdname(argv[0]));
2414                         return rc;
2415                 }
2416                 printf("%s: mode %o uid %d gid %d\n", child,
2417                        data.ioc_obdo1.o_mode, data.ioc_obdo1.o_uid,
2418                        data.ioc_obdo1.o_gid);
2419         }
2420
2421         return rc;
2422 }
2423
2424 int jt_llog_catlist(int argc, char **argv)
2425 {
2426         struct obd_ioctl_data data;
2427         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2428         int rc;
2429
2430         if (argc != 1)
2431                 return CMD_HELP;
2432
2433         memset(&data, 0, sizeof(data));
2434         data.ioc_dev = cur_device;
2435         data.ioc_inllen1 = sizeof(rawbuf) - cfs_size_round(sizeof(data));
2436         memset(buf, 0, sizeof(rawbuf));
2437         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2438         if (rc) {
2439                 fprintf(stderr, "error: %s: invalid ioctl\n",
2440                         jt_cmdname(argv[0]));
2441                 return rc;
2442         }
2443         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_CATLOGLIST, buf);
2444         if (rc == 0)
2445                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2446         else
2447                 fprintf(stderr, "OBD_IOC_CATLOGLIST failed: %s\n",
2448                         strerror(errno));
2449
2450         return rc;
2451 }
2452
2453 int jt_llog_info(int argc, char **argv)
2454 {
2455         struct obd_ioctl_data data;
2456         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2457         int rc;
2458
2459         if (argc != 2)
2460                 return CMD_HELP;
2461
2462         memset(&data, 0, sizeof(data));
2463         data.ioc_dev = cur_device;
2464         data.ioc_inllen1 = strlen(argv[1]) + 1;
2465         data.ioc_inlbuf1 = argv[1];
2466         data.ioc_inllen2 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
2467                 cfs_size_round(data.ioc_inllen1);
2468         memset(buf, 0, sizeof(rawbuf));
2469         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2470         if (rc) {
2471                 fprintf(stderr, "error: %s: invalid ioctl\n",
2472                         jt_cmdname(argv[0]));
2473                 return rc;
2474         }
2475
2476         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_INFO, buf);
2477         if (rc == 0)
2478                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2479         else
2480                 fprintf(stderr, "OBD_IOC_LLOG_INFO failed: %s\n",
2481                         strerror(errno));
2482
2483         return rc;
2484 }
2485
2486 int jt_llog_print(int argc, char **argv)
2487 {
2488         struct obd_ioctl_data data;
2489         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2490         int rc;
2491
2492         if (argc != 2 && argc != 4)
2493                 return CMD_HELP;
2494
2495         memset(&data, 0, sizeof(data));
2496         data.ioc_dev = cur_device;
2497         data.ioc_inllen1 = strlen(argv[1]) + 1;
2498         data.ioc_inlbuf1 = argv[1];
2499         if (argc == 4) {
2500                 data.ioc_inllen2 = strlen(argv[2]) + 1;
2501                 data.ioc_inlbuf2 = argv[2];
2502                 data.ioc_inllen3 = strlen(argv[3]) + 1;
2503                 data.ioc_inlbuf3 = argv[3];
2504         } else {
2505                 char from[2] = "1", to[3] = "-1";
2506                 data.ioc_inllen2 = strlen(from) + 1;
2507                 data.ioc_inlbuf2 = from;
2508                 data.ioc_inllen3 = strlen(to) + 1;
2509                 data.ioc_inlbuf3 = to;
2510         }
2511         data.ioc_inllen4 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
2512                 cfs_size_round(data.ioc_inllen1) -
2513                 cfs_size_round(data.ioc_inllen2) -
2514                 cfs_size_round(data.ioc_inllen3);
2515         memset(buf, 0, sizeof(rawbuf));
2516         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2517         if (rc) {
2518                 fprintf(stderr, "error: %s: invalid ioctl\n",
2519                         jt_cmdname(argv[0]));
2520                 return rc;
2521         }
2522
2523         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_PRINT, buf);
2524         if (rc == 0)
2525                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2526         else
2527                 fprintf(stderr, "OBD_IOC_LLOG_PRINT failed: %s\n",
2528                         strerror(errno));
2529
2530         return rc;
2531 }
2532
2533 static int llog_cancel_parse_optional(int argc, char **argv,
2534                                       struct obd_ioctl_data *data)
2535 {
2536         int cOpt;
2537         const char *const short_options = "c:l:i:h";
2538         const struct option long_options[] = {
2539                 {"catalog", required_argument, NULL, 'c'},
2540                 {"log_id", required_argument, NULL, 'l'},
2541                 {"log_idx", required_argument, NULL, 'i'},
2542                 {"help", no_argument, NULL, 'h'},
2543                 {NULL, 0, NULL, 0}
2544         };
2545
2546         /* sanity check */
2547         if (!data || argc <= 1) {
2548                 return -1;
2549         }
2550
2551         /*now process command line arguments*/
2552         while ((cOpt = getopt_long(argc, argv, short_options,
2553                                         long_options, NULL)) != -1) {
2554                 switch (cOpt) {
2555                 case 'c':
2556                         data->ioc_inllen1 = strlen(optarg) + 1;
2557                         data->ioc_inlbuf1 = optarg;
2558                         break;
2559
2560                 case 'l':
2561                         data->ioc_inllen2 = strlen(optarg) + 1;
2562                         data->ioc_inlbuf2 = optarg;
2563                         break;
2564
2565                 case 'i':
2566                         data->ioc_inllen3 = strlen(optarg) + 1;
2567                         data->ioc_inlbuf3 = optarg;
2568                         break;
2569
2570                 case 'h':
2571                 default:
2572                         return -1;
2573                 }
2574         }
2575
2576         if ((data->ioc_inlbuf1 == NULL) || (data->ioc_inlbuf3 == NULL)) {
2577                 /* missing mandatory parameters */
2578                 return -1;
2579         }
2580
2581         return 0;
2582 }
2583
2584 int jt_llog_cancel(int argc, char **argv)
2585 {
2586         struct obd_ioctl_data data;
2587         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2588         int rc, i;
2589
2590         /* check that the arguments provided are either all
2591          * optional or all positional.  No mixing allowed
2592          *
2593          * if argc is 4 or 3 then check all arguments to ensure that none
2594          * of them start with a '-'.  If so then this is invalid.
2595          * Otherwise if arg is > 4 then assume that this is optional
2596          * arguments, and parse as such ignoring any thing that's not
2597          * optional.  The result is that user must use optional arguments
2598          * for all mandatory parameters.  Code will ignore all other args
2599          *
2600          * The positional arguments option should eventually be phased out.
2601          */
2602         memset(&data, 0, sizeof(data));
2603         data.ioc_dev = cur_device;
2604
2605         if (argc == 3 || argc == 4) {
2606                 for (i = 1; i < argc; i++) {
2607                         if (argv[i][0] == '-')
2608                                 return CMD_HELP;
2609                 }
2610                 data.ioc_inllen1 = strlen(argv[1]) + 1;
2611                 data.ioc_inlbuf1 = argv[1];
2612                 if (argc == 4) {
2613                         data.ioc_inllen2 = strlen(argv[2]) + 1;
2614                         data.ioc_inlbuf2 = argv[2];
2615                         data.ioc_inllen3 = strlen(argv[3]) + 1;
2616                         data.ioc_inlbuf3 = argv[3];
2617                 } else {
2618                         data.ioc_inllen3 = strlen(argv[2]) + 1;
2619                         data.ioc_inlbuf3 = argv[2];
2620                 }
2621         } else {
2622                 if (llog_cancel_parse_optional(argc, argv, &data) != 0)
2623                         return CMD_HELP;
2624         }
2625
2626         memset(buf, 0, sizeof(rawbuf));
2627         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2628         if (rc) {
2629                 fprintf(stderr, "error: %s: invalid ioctl\n",
2630                         jt_cmdname(argv[0]));
2631                 return rc;
2632         }
2633
2634         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CANCEL, buf);
2635         if (rc == 0)
2636                 fprintf(stdout, "index %s was canceled.\n",
2637                         argc == 4 ? argv[3] : argv[2]);
2638         else
2639                 fprintf(stderr, "OBD_IOC_LLOG_CANCEL failed: %s\n",
2640                         strerror(errno));
2641
2642         return rc;
2643 }
2644
2645 int jt_llog_check(int argc, char **argv)
2646 {
2647         struct obd_ioctl_data data;
2648         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2649         int rc;
2650
2651         if (argc != 2 && argc != 4)
2652                 return CMD_HELP;
2653
2654         memset(&data, 0, sizeof(data));
2655         data.ioc_dev = cur_device;
2656         data.ioc_inllen1 = strlen(argv[1]) + 1;
2657         data.ioc_inlbuf1 = argv[1];
2658         if (argc == 4) {
2659                 data.ioc_inllen2 = strlen(argv[2]) + 1;
2660                 data.ioc_inlbuf2 = argv[2];
2661                 data.ioc_inllen3 = strlen(argv[3]) + 1;
2662                 data.ioc_inlbuf3 = argv[3];
2663         } else {
2664                 char from[2] = "1", to[3] = "-1";
2665                 data.ioc_inllen2 = strlen(from) + 1;
2666                 data.ioc_inlbuf2 = from;
2667                 data.ioc_inllen3 = strlen(to) + 1;
2668                 data.ioc_inlbuf3 = to;
2669         }
2670         data.ioc_inllen4 = sizeof(rawbuf) - cfs_size_round(sizeof(data)) -
2671                 cfs_size_round(data.ioc_inllen1) -
2672                 cfs_size_round(data.ioc_inllen2) -
2673                 cfs_size_round(data.ioc_inllen3);
2674         memset(buf, 0, sizeof(rawbuf));
2675         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2676         if (rc) {
2677                 fprintf(stderr, "error: %s: invalid ioctl\n",
2678                         jt_cmdname(argv[0]));
2679                 return rc;
2680         }
2681
2682         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_CHECK, buf);
2683         if (rc == 0)
2684                 fprintf(stdout, "%s", ((struct obd_ioctl_data*)buf)->ioc_bulk);
2685         else
2686                 fprintf(stderr, "OBD_IOC_LLOG_CHECK failed: %s\n",
2687                         strerror(errno));
2688         return rc;
2689 }
2690
2691 int jt_llog_remove(int argc, char **argv)
2692 {
2693         struct obd_ioctl_data data;
2694         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2695         int rc;
2696
2697         if (argc != 3 && argc != 2)
2698                 return CMD_HELP;
2699
2700         memset(&data, 0, sizeof(data));
2701         data.ioc_dev = cur_device;
2702         data.ioc_inllen1 = strlen(argv[1]) + 1;
2703         data.ioc_inlbuf1 = argv[1];
2704         if (argc == 3){
2705                 data.ioc_inllen2 = strlen(argv[2]) + 1;
2706                 data.ioc_inlbuf2 = argv[2];
2707         }
2708         memset(buf, 0, sizeof(rawbuf));
2709         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
2710         if (rc) {
2711                 fprintf(stderr, "error: %s: invalid ioctl\n",
2712                         jt_cmdname(argv[0]));
2713                 return rc;
2714         }
2715
2716         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LLOG_REMOVE, buf);
2717         if (rc == 0) {
2718                 if (argc == 2)
2719                         fprintf(stdout, "log %s is removed.\n", argv[1]);
2720                 else
2721                         fprintf(stdout, "the log in catalog %s is removed. \n",
2722                                 argv[1]);
2723         } else
2724                 fprintf(stderr, "OBD_IOC_LLOG_REMOVE failed: %s\n",
2725                         strerror(errno));
2726
2727         return rc;
2728 }
2729
2730 static void signal_server(int sig)
2731 {
2732         if (sig == SIGINT) {
2733                 do_disconnect("sigint", 1);
2734                 exit(1);
2735         } else
2736                 fprintf(stderr, "%s: got signal %d\n", jt_cmdname("sigint"), sig);
2737 }
2738
2739 int obd_initialize(int argc, char **argv)
2740 {
2741         if (shmem_setup() != 0)
2742                 return -1;
2743
2744         register_ioc_dev(OBD_DEV_ID, OBD_DEV_PATH,
2745                          OBD_DEV_MAJOR, OBD_DEV_MINOR);
2746
2747         return 0;
2748 }
2749
2750 void obd_finalize(int argc, char **argv)
2751 {
2752         struct sigaction sigact;
2753
2754         /* sigact initialization */
2755         sigact.sa_handler = signal_server;
2756         sigfillset(&sigact.sa_mask);
2757         sigact.sa_flags = SA_RESTART;
2758         /* coverity[uninit_use_in_call] */
2759         sigaction(SIGINT, &sigact, NULL);
2760
2761         shmem_cleanup();
2762         do_disconnect(argv[0], 1);
2763 }
2764
2765 static int check_pool_cmd(enum lcfg_command_type cmd,
2766                           char *fsname, char *poolname,
2767                           char *ostname)
2768 {
2769         int rc;
2770
2771         rc = llapi_search_ost(fsname, poolname, ostname);
2772         if (rc < 0 && (cmd != LCFG_POOL_NEW)) {
2773                 fprintf(stderr, "Pool %s.%s not found\n",
2774                         fsname, poolname);
2775                 return rc;
2776         }
2777
2778         switch (cmd) {
2779         case LCFG_POOL_NEW: {
2780                 if (ostname != NULL)
2781                         return -EINVAL;
2782
2783                 if (rc >= 0) {
2784                         fprintf(stderr, "Pool %s.%s already exists\n",
2785                                 fsname, poolname);
2786                         return -EEXIST;
2787                 }
2788                 return 0;
2789         }
2790         case LCFG_POOL_DEL: {
2791                 if (ostname != NULL)
2792                         return -EINVAL;
2793
2794                 if (rc == 1) {
2795                         fprintf(stderr, "Pool %s.%s not empty, "
2796                                 "please remove all members\n",
2797                                 fsname, poolname);
2798                         return -ENOTEMPTY;
2799                 }
2800                 return 0;
2801         }
2802         case LCFG_POOL_ADD: {
2803                 if (rc == 1) {
2804                         fprintf(stderr, "OST %s is already in pool %s.%s\n",
2805                                 ostname, fsname, poolname);
2806                         return -EEXIST;
2807                 }
2808                 rc = llapi_search_ost(fsname, NULL, ostname);
2809                 if (rc == 0) {
2810                         fprintf(stderr, "OST %s is not part of the '%s' fs.\n",
2811                                 ostname, fsname);
2812                         return -ENOENT;
2813                 }
2814                 return 0;
2815         }
2816         case LCFG_POOL_REM: {
2817                 if (rc == 0) {
2818                         fprintf(stderr, "OST %s not found in pool %s.%s\n",
2819                                 ostname, fsname, poolname);
2820                         return -ENOENT;
2821                 }
2822                 return 0;
2823         }
2824         default:
2825                 break;
2826         } /* switch */
2827         return -EINVAL;
2828 }
2829
2830 /* This check only verifies that the changes have been "pushed out" to
2831    the client successfully.  This involves waiting for a config update,
2832    and so may fail because of problems in that code or post-command
2833    network loss. So reporting a warning is appropriate, but not a failure.
2834 */
2835 static int check_pool_cmd_result(enum lcfg_command_type cmd,
2836                                  char *fsname, char *poolname,
2837                                  char *ostname)
2838 {
2839         int cpt = 10;
2840         int rc = 0;
2841
2842         switch (cmd) {
2843         case LCFG_POOL_NEW: {
2844                 do {
2845                         rc = llapi_search_ost(fsname, poolname, NULL);
2846                         if (rc == -ENODEV)
2847                                 return rc;
2848                         if (rc < 0)
2849                                 sleep(2);
2850                         cpt--;
2851                 } while ((rc < 0) && (cpt > 0));
2852                 if (rc >= 0) {
2853                         fprintf(stderr, "Pool %s.%s created\n",
2854                                 fsname, poolname);
2855                         return 0;
2856                 } else {
2857                         fprintf(stderr, "Warning, pool %s.%s not found\n",
2858                                 fsname, poolname);
2859                         return -ENOENT;
2860                 }
2861         }
2862         case LCFG_POOL_DEL: {
2863                 do {
2864                         rc = llapi_search_ost(fsname, poolname, NULL);
2865                         if (rc == -ENODEV)
2866                                 return rc;
2867                         if (rc >= 0)
2868                                 sleep(2);
2869                         cpt--;
2870                 } while ((rc >= 0) && (cpt > 0));
2871                 if (rc < 0) {
2872                         fprintf(stderr, "Pool %s.%s destroyed\n",
2873                                 fsname, poolname);
2874                         return 0;
2875                 } else {
2876                         fprintf(stderr, "Warning, pool %s.%s still found\n",
2877                                 fsname, poolname);
2878                         return -EEXIST;
2879                 }
2880         }
2881         case LCFG_POOL_ADD: {
2882                 do {
2883                         rc = llapi_search_ost(fsname, poolname, ostname);
2884                         if (rc == -ENODEV)
2885                                 return rc;
2886                         if (rc != 1)
2887                                 sleep(2);
2888                         cpt--;
2889                 } while ((rc != 1) && (cpt > 0));
2890                 if (rc == 1) {
2891                         fprintf(stderr, "OST %s added to pool %s.%s\n",
2892                                 ostname, fsname, poolname);
2893                         return 0;
2894                 } else {
2895                         fprintf(stderr, "Warning, OST %s not found in pool %s.%s\n",
2896                                 ostname, fsname, poolname);
2897                         return -ENOENT;
2898                 }
2899         }
2900         case LCFG_POOL_REM: {
2901                 do {
2902                         rc = llapi_search_ost(fsname, poolname, ostname);
2903                         if (rc == -ENODEV)
2904                                 return rc;
2905                         if (rc == 1)
2906                                 sleep(2);
2907                         cpt--;
2908                 } while ((rc == 1) && (cpt > 0));
2909                 if (rc != 1) {
2910                         fprintf(stderr, "OST %s removed from pool %s.%s\n",
2911                                 ostname, fsname, poolname);
2912                         return 0;
2913                 } else {
2914                         fprintf(stderr, "Warning, OST %s still found in pool %s.%s\n",
2915                                 ostname, fsname, poolname);
2916                         return -EEXIST;
2917                 }
2918         }
2919         default:
2920                 break;
2921         }
2922         return -EINVAL;
2923 }
2924
2925 static int check_and_complete_ostname(char *fsname, char *ostname)
2926 {
2927         char *ptr;
2928         char real_ostname[MAX_OBD_NAME + 1];
2929         char i;
2930
2931         /* if OST name does not start with fsname, we add it */
2932         /* if not check if the fsname is the right one */
2933         ptr = strchr(ostname, '-');
2934         if (ptr == NULL) {
2935                 sprintf(real_ostname, "%s-%s", fsname, ostname);
2936         } else if (strncmp(ostname, fsname, strlen(fsname)) != 0) {
2937                 fprintf(stderr, "%s does not start with fsname %s\n",
2938                         ostname, fsname);
2939                 return -EINVAL;
2940         } else {
2941                 if (strlen(ostname) > sizeof(real_ostname)-1)
2942                         return -E2BIG;
2943                 strncpy(real_ostname, ostname, sizeof(real_ostname));
2944         }
2945         /* real_ostname is fsname-????? */
2946         ptr = real_ostname + strlen(fsname) + 1;
2947         if (strncmp(ptr, "OST", 3) != 0) {
2948                 fprintf(stderr, "%s does not start by %s-OST nor OST\n",
2949                         ostname, fsname);
2950                 return -EINVAL;
2951         }
2952         /* real_ostname is fsname-OST????? */
2953         ptr += 3;
2954         for (i = 0; i < 4; i++) {
2955                 if (!isxdigit(*ptr)) {
2956                         fprintf(stderr,
2957                                 "ost's index in %s is not an hexa number\n",
2958                                 ostname);
2959                         return -EINVAL;
2960                 }
2961                 ptr++;
2962         }
2963         /* real_ostname is fsname-OSTXXXX????? */
2964         /* if OST name does not end with _UUID, we add it */
2965         if (*ptr == '\0') {
2966                 strcat(real_ostname, "_UUID");
2967         } else if (strcmp(ptr, "_UUID") != 0) {
2968                 fprintf(stderr,
2969                         "ostname %s does not end with _UUID\n", ostname);
2970                 return -EINVAL;
2971         }
2972         /* real_ostname is fsname-OSTXXXX_UUID */
2973         strcpy(ostname, real_ostname);
2974         return 0;
2975 }
2976
2977 /* returns 0 or -errno */
2978 static int pool_cmd(enum lcfg_command_type cmd,
2979                     char *cmdname, char *fullpoolname,
2980                     char *fsname, char *poolname, char *ostname)
2981 {
2982         int rc = 0;
2983         struct obd_ioctl_data data;
2984         struct lustre_cfg_bufs bufs;
2985         struct lustre_cfg *lcfg;
2986         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
2987
2988         rc = check_pool_cmd(cmd, fsname, poolname, ostname);
2989         if (rc == -ENODEV)
2990                 fprintf(stderr, "Can't verify pool command since there "
2991                         "is no local MDT or client, proceeding anyhow...\n");
2992         else if (rc)
2993                 return rc;
2994
2995         lustre_cfg_bufs_reset(&bufs, NULL);
2996         lustre_cfg_bufs_set_string(&bufs, 0, cmdname);
2997         lustre_cfg_bufs_set_string(&bufs, 1, fullpoolname);
2998         if (ostname != NULL)
2999                 lustre_cfg_bufs_set_string(&bufs, 2, ostname);
3000
3001         lcfg = lustre_cfg_new(cmd, &bufs);
3002         if (lcfg == NULL)
3003                 return -ENOMEM;
3004
3005         memset(&data, 0, sizeof(data));
3006         rc = data.ioc_dev = get_mgs_device();
3007         if (rc < 0)
3008                 goto out;
3009
3010         data.ioc_type = LUSTRE_CFG_TYPE;
3011         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
3012                                         lcfg->lcfg_buflens);
3013         data.ioc_pbuf1 = (void *)lcfg;
3014
3015         memset(buf, 0, sizeof(rawbuf));
3016         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
3017         if (rc) {
3018                 fprintf(stderr, "error: %s: invalid ioctl\n",
3019                         jt_cmdname(cmdname));
3020                 lustre_cfg_free(lcfg);
3021                 return rc;
3022         }
3023         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_POOL, buf);
3024 out:
3025         if (rc)
3026                 rc = -errno;
3027         lustre_cfg_free(lcfg);
3028         return rc;
3029 }
3030
3031 /**
3032  * Format and send the ioctl to the MGS.
3033  *
3034  * \param       cmd             IOCTL to send
3035  * \param       ret_data        void pointer to return anything from
3036  *                              ioctl
3037  * \param       num_args        number of arguments to pack into the
3038  *                              ioctl buffer
3039  * \param       argv[]          variable number of string arguments
3040  *
3041  * \retval                      0 on success
3042  */
3043 static int nodemap_cmd(enum lcfg_command_type cmd, void *ret_data,
3044                        unsigned int ret_size, ...)
3045 {
3046         va_list                 ap;
3047         char                    *arg;
3048         int                     i = 0;
3049         struct lustre_cfg_bufs  bufs;
3050         struct obd_ioctl_data   data;
3051         struct lustre_cfg       *lcfg;
3052         char                    rawbuf[MAX_IOC_BUFLEN];
3053         char                    *buf = rawbuf;
3054         int                     rc = 0;
3055
3056         lustre_cfg_bufs_reset(&bufs, NULL);
3057
3058         va_start(ap, ret_size);
3059         arg = va_arg(ap, char *);
3060         while (arg != NULL) {
3061                 lustre_cfg_bufs_set_string(&bufs, i, arg);
3062                 i++;
3063                 arg = va_arg(ap, char *);
3064         }
3065         va_end(ap);
3066
3067         lcfg = lustre_cfg_new(cmd, &bufs);
3068         if (lcfg == NULL)
3069                 return -ENOMEM;
3070
3071         memset(&data, 0, sizeof(data));
3072         rc = data.ioc_dev = get_mgs_device();
3073         if (rc < 0)
3074                 goto out;
3075
3076         data.ioc_type = LUSTRE_CFG_TYPE;
3077         data.ioc_plen1 = lustre_cfg_len(lcfg->lcfg_bufcount,
3078                          lcfg->lcfg_buflens);
3079         data.ioc_pbuf1 = (void *)lcfg;
3080
3081         memset(buf, 0, sizeof(rawbuf));
3082         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
3083         if (rc != 0) {
3084                 fprintf(stderr, "error: invalid ioctl: %08x errno: %d with "
3085                                "rc=%d\n", cmd, errno, rc);
3086                 goto out;
3087         }
3088
3089         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_NODEMAP, buf);
3090         if (rc != 0) {
3091                 fprintf(stderr, "error: invalid ioctl: %08x errno: %d with "
3092                                "rc=%d\n", cmd, errno, rc);
3093                 goto out;
3094         }
3095
3096         if (ret_data != NULL) {
3097                 rc = obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
3098                 if (rc != 0)
3099                         goto out;
3100
3101                 if (ret_size > data.ioc_plen1)
3102                         ret_size = data.ioc_plen1;
3103
3104                 memcpy(ret_data, data.ioc_pbuf1, ret_size);
3105         }
3106 out:
3107         lustre_cfg_free(lcfg);
3108
3109         return rc;
3110 }
3111
3112 /**
3113  * activate nodemap functions
3114  *
3115  * \param       argc            number of args
3116  * \param       argv[]          variable string arguments
3117  *
3118  * argv[0]                      1 for activate or 0 for deactivate
3119  *
3120  * \retval                      0 on success
3121  */
3122 int jt_nodemap_activate(int argc, char **argv)
3123 {
3124         int rc;
3125
3126         rc = nodemap_cmd(LCFG_NODEMAP_ACTIVATE, NULL, 0, argv[0], argv[1],
3127                          NULL);
3128
3129         if (rc != 0) {
3130                 errno = -rc;
3131                 perror(argv[0]);
3132         }
3133
3134         return rc;
3135 }
3136
3137 /**
3138  * add a nodemap
3139  *
3140  * \param       argc            number of args
3141  * \param       argv[]          variable string arguments
3142  *
3143  * argv[0]                      nodemap name
3144  *
3145  * \retval                      0 on success
3146  */
3147 int jt_nodemap_add(int argc, char **argv)
3148 {
3149         int rc;
3150
3151         rc = llapi_nodemap_exists(argv[1]);
3152         if (rc == 0) {
3153                 fprintf(stderr, "error: %s existing nodemap name\n", argv[1]);
3154                 return 1;
3155         }
3156
3157         rc = nodemap_cmd(LCFG_NODEMAP_ADD, NULL, 0, argv[0], argv[1], NULL);
3158
3159         if (rc != 0) {
3160                 errno = -rc;
3161                 perror(argv[0]);
3162         }
3163
3164         return rc;
3165 }
3166
3167 /**
3168  * delete a nodemap
3169  *
3170  * \param       argc            number of args
3171  * \param       argv[]          variable string arguments
3172  *
3173  * argv[0]                      nodemap name
3174  *
3175  * \retval                      0 on success
3176  */
3177 int jt_nodemap_del(int argc, char **argv)
3178 {
3179         int rc;
3180
3181         rc = llapi_nodemap_exists(argv[1]);
3182         if (rc != 0) {
3183                 fprintf(stderr, "error: %s not existing nodemap name\n",
3184                         argv[1]);
3185                 return rc;
3186         }
3187         rc = nodemap_cmd(LCFG_NODEMAP_DEL, NULL, 0, argv[0], argv[1], NULL);
3188
3189         if (rc != 0) {
3190                 errno = -rc;
3191                 perror(argv[0]);
3192         }
3193
3194         return rc;
3195 }
3196
3197 /**
3198  * test a nid for nodemap membership
3199  *
3200  * \param       argc            number of args
3201  * \param       argv[]          variable string arguments
3202  *
3203  * argv[0]                      properly formatted nid
3204  *
3205  * \retval                      0 on success
3206  */
3207 int jt_nodemap_test_nid(int argc, char **argv)
3208 {
3209
3210         char    rawbuf[MAX_IOC_BUFLEN];
3211         int     rc;
3212
3213         rc = nodemap_cmd(LCFG_NODEMAP_TEST_NID, &rawbuf, sizeof(rawbuf),
3214                          argv[0], argv[1], NULL);
3215         if (rc == 0)
3216                 printf("%s\n", (char *)rawbuf);
3217
3218         return rc;
3219 }
3220
3221 /**
3222  * test a nodemap id pair for mapping
3223  *
3224  * \param       argc            number of args
3225  * \param       argv[[]         variable string arguments
3226  *
3227  * \retval                      0 on success
3228  *
3229  * The argv array should contain the nodemap name, the id
3230  * to checking the mapping on, and the id type (UID or GID)
3231  *
3232  */
3233 int jt_nodemap_test_id(int argc, char **argv)
3234 {
3235         char    rawbuf[MAX_IOC_BUFLEN];
3236         char    *nidstr = NULL;
3237         char    *idstr = NULL;
3238         char    *typestr = NULL;
3239         int     rc = 0;
3240         int     c;
3241
3242         static struct option long_options[] = {
3243                 {
3244                         .name           = "nid",
3245                         .has_arg        = required_argument,
3246                         .flag           = 0,
3247                         .val            = 'n',
3248                 },
3249                 {
3250                         .name           = "idtype",
3251                         .has_arg        = required_argument,
3252                         .flag           = 0,
3253                         .val            = 't',
3254                 },
3255                 {
3256                         .name           = "id",
3257                         .has_arg        = required_argument,
3258                         .flag           = 0,
3259                         .val            = 'i',
3260                 },
3261                 {
3262                         NULL
3263                 }
3264         };
3265
3266         while ((c = getopt_long(argc, argv, "n:t:i:",
3267                                 long_options, NULL)) != -1) {
3268                 switch (c) {
3269                 case 'n':
3270                         nidstr = optarg;
3271                         break;
3272                 case 't':
3273                         typestr = optarg;
3274                         break;
3275                 case 'i':
3276                         idstr = optarg;
3277                         break;
3278                 }
3279         }
3280
3281         if (nidstr == NULL || typestr == NULL || idstr == NULL) {
3282                 fprintf(stderr, "usage: nodemap_test_id --nid <nid> "
3283                                 "--idtype [uid|gid] --id <id>\n");
3284                 return -1;
3285         }
3286
3287         rc = nodemap_cmd(LCFG_NODEMAP_TEST_ID, &rawbuf, sizeof(rawbuf),
3288                          argv[0], nidstr, typestr, idstr);
3289         if (rc == 0)
3290                 printf("%s\n", (char *)rawbuf);
3291
3292         return rc;
3293 }
3294
3295 /**
3296  * add an nid range to a nodemap
3297  *
3298  * \param       argc            number of args
3299  * \param       argv[]          variable string arguments
3300  *
3301  * --name                       nodemap name
3302  * --range                      properly formatted nid range
3303  *
3304  * \retval                      0 on success
3305  */
3306 int jt_nodemap_add_range(int argc, char **argv)
3307 {
3308         char                    *nodemap_name = NULL;
3309         char                    *nodemap_range = NULL;
3310         struct list_head        nidlist;
3311         char                    min_nid[LNET_NIDSTR_SIZE + 1];
3312         char                    max_nid[LNET_NIDSTR_SIZE + 1];
3313         char                    nid_range[2 * LNET_NIDSTR_SIZE + 2];
3314         int                     rc = 0;
3315         int                     c;
3316
3317         static struct option long_options[] = {
3318                 {
3319                         .name           = "name",
3320                         .has_arg        = required_argument,
3321                         .flag           = 0,
3322                         .val            = 'n',
3323                 },
3324                 {
3325                         .name           = "range",
3326                         .has_arg        = required_argument,
3327                         .flag           = 0,
3328                         .val            = 'r',
3329                 },
3330                 {
3331                         NULL
3332                 }
3333         };
3334
3335         INIT_LIST_HEAD(&nidlist);
3336
3337         while ((c = getopt_long(argc, argv, "n:r:",
3338                                 long_options, NULL)) != -1) {
3339                 switch (c) {
3340                 case 'n':
3341                         nodemap_name = optarg;
3342                         break;
3343                 case 'r':
3344                         nodemap_range = optarg;
3345                         break;
3346                 }
3347         }
3348
3349         if (nodemap_name == NULL || nodemap_range == NULL) {
3350                 fprintf(stderr, "usage: nodemap_add_range --name <name> "
3351                                 "--range <range>\n");
3352                 return -1;
3353         }
3354
3355         if (cfs_parse_nidlist(nodemap_range, strlen(nodemap_range),
3356                               &nidlist) <= 0) {
3357                 fprintf(stderr, "error: %s: can't parse nid range: %s\n",
3358                         jt_cmdname(argv[0]), nodemap_range);
3359                 return -1;
3360         }
3361
3362         if (!cfs_nidrange_is_contiguous(&nidlist)) {
3363                 fprintf(stderr, "error: %s: nodemap ranges must be "
3364                         "contiguous\n", jt_cmdname(argv[0]));
3365                 return -1;
3366         }
3367
3368         cfs_nidrange_find_min_max(&nidlist, &min_nid[0], &max_nid[0],
3369                                   LNET_NIDSTR_SIZE);
3370         snprintf(nid_range, sizeof(nid_range), "%s:%s", min_nid, max_nid);
3371
3372         rc = nodemap_cmd(LCFG_NODEMAP_ADD_RANGE, NULL, 0, argv[0],
3373                          nodemap_name, nid_range, NULL);
3374         if (rc != 0) {
3375                 errno = -rc;
3376                 fprintf(stderr, "error: %s: cannot add range '%s' to nodemap "
3377                                 "'%s': rc = %d\n",
3378                         jt_cmdname(argv[0]), nodemap_range, nodemap_name, rc);
3379         }
3380
3381         return rc;
3382 }
3383
3384 /**
3385  * delete an nid range to a nodemap
3386  *
3387  * \param       argc            number of args
3388  * \param       argv[]          variable string arguments
3389  *
3390  * --name                       nodemap name
3391  * --range                      properly formatted nid range
3392  *
3393  * \retval                      0 on success
3394  */
3395 int jt_nodemap_del_range(int argc, char **argv)
3396 {
3397         char                    *nodemap_name = NULL;
3398         char                    *nodemap_range = NULL;
3399         struct list_head        nidlist;
3400         char                    min_nid[LNET_NIDSTR_SIZE + 1];
3401         char                    max_nid[LNET_NIDSTR_SIZE + 1];
3402         char                    nid_range[2 * LNET_NIDSTR_SIZE + 2];
3403         int                     rc = 0;
3404         int                     c;
3405
3406         static struct option long_options[] = {
3407                 {
3408                         .name           = "name",
3409                         .has_arg        = required_argument,
3410                         .flag           = 0,
3411                         .val            = 'n',
3412                 },
3413                 {
3414                         .name           = "range",
3415                         .has_arg        = required_argument,
3416                         .flag           = 0,
3417                         .val            = 'r',
3418                 },
3419                 {
3420                         NULL
3421                 }
3422         };
3423
3424         INIT_LIST_HEAD(&nidlist);
3425
3426         while ((c = getopt_long(argc, argv, "n:r:",
3427                                 long_options, NULL)) != -1) {
3428                 switch (c) {
3429                 case 'n':
3430                         nodemap_name = optarg;
3431                         break;
3432                 case 'r':
3433                         nodemap_range = optarg;
3434                         break;
3435                 }
3436         }
3437
3438         if (nodemap_name == NULL || nodemap_range == NULL) {
3439                 fprintf(stderr, "usage: nodemap_del_range --name <name> "
3440                                 "--range <range>\n");
3441                 return -1;
3442         }
3443
3444         if (cfs_parse_nidlist(nodemap_range, strlen(nodemap_range),
3445                               &nidlist) <= 0) {
3446                 fprintf(stderr, "error: %s: can't parse nid range: %s\n",
3447                         jt_cmdname(argv[0]), nodemap_range);
3448                 return -1;
3449         }
3450
3451         if (!cfs_nidrange_is_contiguous(&nidlist)) {
3452                 fprintf(stderr, "error: %s: nodemap ranges must be "
3453                         "contiguous\n", jt_cmdname(argv[0]));
3454                 return -1;
3455         }
3456
3457         cfs_nidrange_find_min_max(&nidlist, &min_nid[0], &max_nid[0],
3458                                   LNET_NIDSTR_SIZE);
3459         snprintf(nid_range, sizeof(nid_range), "%s:%s", min_nid, max_nid);
3460
3461         rc = nodemap_cmd(LCFG_NODEMAP_DEL_RANGE, NULL, 0, argv[0],
3462                          nodemap_name, nid_range, NULL);
3463         if (rc != 0) {
3464                 errno = -rc;
3465                 fprintf(stderr, "error: %s: cannot delete range '%s' to "
3466                                "nodemap '%s': rc = %d\n",
3467                         jt_cmdname(argv[0]), nodemap_range, nodemap_name, rc);
3468         }
3469
3470         return rc;
3471 }
3472
3473 /**
3474  * set a fileset on a nodemap
3475  *
3476  * \param       argc            number of args
3477  * \param       argv[]          variable string arguments
3478  *
3479  * --name                       nodemap name
3480  * --fileset                    fileset name
3481  *
3482  * \retval                      0 on success
3483  */
3484 int jt_nodemap_set_fileset(int argc, char **argv)
3485 {
3486         char *nodemap_name = NULL;
3487         char *fileset_name = NULL;
3488         int   rc = 0;
3489         int   c;
3490
3491         static struct option long_options[] = {
3492                 {
3493                         .name           = "name",
3494                         .has_arg        = required_argument,
3495                         .flag           = 0,
3496                         .val            = 'n',
3497                 },
3498                 {
3499                         .name           = "fileset",
3500                         .has_arg        = required_argument,
3501                         .flag           = 0,
3502                         .val            = 'f',
3503                 },
3504                 {
3505                         NULL
3506                 }
3507         };
3508
3509         while ((c = getopt_long(argc, argv, "n:f:",
3510                                 long_options, NULL)) != -1) {
3511                 switch (c) {
3512                 case 'n':
3513                         nodemap_name = optarg;
3514                         break;
3515                 case 'f':
3516                         fileset_name = optarg;
3517                         break;
3518                 }
3519         }
3520
3521         if (nodemap_name == NULL || fileset_name == NULL) {
3522                 fprintf(stderr, "usage: nodemap_set_fileset --name <name> "
3523                                 "--fileset <fileset>\n");
3524                 return -1;
3525         }
3526
3527         rc = nodemap_cmd(LCFG_NODEMAP_SET_FILESET, NULL, 0, argv[0],
3528                          nodemap_name, fileset_name, NULL);
3529         if (rc != 0) {
3530                 errno = -rc;
3531                 fprintf(stderr, "error: %s: cannot set fileset '%s' on nodemap "
3532                                 "'%s': rc = %d\n",
3533                         jt_cmdname(argv[0]), fileset_name, nodemap_name, rc);
3534         }
3535
3536         return rc;
3537 }
3538
3539 /**
3540  * modify a nodemap's behavior
3541  *
3542  * \param       argc            number of args
3543  * \param       argv[]          variable string arguments
3544  *
3545  * --name                       nodemap name
3546  * --property                   nodemap property to change
3547  *                              admin, trusted, squash_uid, squash_gid)
3548  * --value                      value to set property
3549  *
3550  * \retval                      0 on success
3551  */
3552 int jt_nodemap_modify(int argc, char **argv)
3553 {
3554         int                     c;
3555         int                     rc = 0;
3556         enum lcfg_command_type  cmd = 0;
3557         char                    *nodemap_name = NULL;
3558         char                    *param = NULL;
3559         char                    *value = NULL;
3560
3561         static struct option long_options[] = {
3562                 {
3563                         .name           = "name",
3564                         .has_arg        = required_argument,
3565                         .flag           = 0,
3566                         .val            = 'n',
3567                 },
3568                 {
3569                         .name           = "property",
3570                         .has_arg        = required_argument,
3571                         .flag           = 0,
3572                         .val            = 'p',
3573                 },
3574                 {
3575                         .name           = "value",
3576                         .has_arg        = required_argument,
3577                         .flag           = 0,
3578                         .val            = 'v',
3579                 },
3580                 {
3581                         NULL
3582                 }
3583         };
3584
3585         while ((c = getopt_long(argc, argv, "n:p:v:",
3586                                 long_options, NULL)) != -1) {
3587                 switch (c) {
3588                 case 'n':
3589                         nodemap_name = optarg;
3590                         break;
3591                 case 'p':
3592                         param = optarg;
3593                         break;
3594                 case 'v':
3595                         value = optarg;
3596                         break;
3597                 }
3598         }
3599
3600         if (nodemap_name == NULL || param == NULL || value == NULL) {
3601                 fprintf(stderr, "usage: nodemap_modify --name <nodemap_name> "
3602                                 "--property <property_name> --value <value>\n");
3603                 fprintf(stderr, "valid properties: admin trusted "
3604                                 "squash_uid squash_gid deny_unknown\n");
3605                 return -1;
3606         }
3607
3608         if (strcmp("admin", param) == 0) {
3609                 cmd = LCFG_NODEMAP_ADMIN;
3610         } else if (strcmp("trusted", param) == 0) {
3611                 cmd = LCFG_NODEMAP_TRUSTED;
3612         } else if (strcmp("deny_unknown", param) == 0) {
3613                 cmd = LCFG_NODEMAP_DENY_UNKNOWN;
3614         } else if (strcmp("squash_uid", param) == 0) {
3615                 cmd = LCFG_NODEMAP_SQUASH_UID;
3616         } else if (strcmp("squash_gid", param) == 0) {
3617                 cmd = LCFG_NODEMAP_SQUASH_GID;
3618         } else {
3619                 fprintf(stderr, "error: %s: nodemap_modify invalid "
3620                                 "subcommand: %s\n",
3621                         jt_cmdname(argv[0]), param);
3622                 return -1;
3623         }
3624
3625         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, param,
3626                          value, NULL);
3627         if (rc != 0) {
3628                 errno = -rc;
3629                 fprintf(stderr, "error: %s: cannot modify nodemap '%s' "
3630                                "to param '%s': value '%s': rc = %d\n",
3631                         jt_cmdname(argv[0]), nodemap_name, param, value, rc);
3632         }
3633
3634         return rc;
3635 }
3636
3637 int jt_nodemap_add_idmap(int argc, char **argv)
3638 {
3639         int                     c;
3640         enum                    lcfg_command_type cmd = 0;
3641         char                    *nodemap_name = NULL;
3642         char                    *idmap = NULL;
3643         char                    *idtype = NULL;
3644         int                     rc = 0;
3645
3646         static struct option long_options[] = {
3647                 {
3648                         .name           = "name",
3649                         .has_arg        = required_argument,
3650                         .flag           = 0,
3651                         .val            = 'n',
3652                 },
3653                 {
3654                         .name           = "idmap",
3655                         .has_arg        = required_argument,
3656                         .flag           = 0,
3657                         .val            = 'm',
3658                 },
3659                 {
3660                         .name           = "idtype",
3661                         .has_arg        = required_argument,
3662                         .flag           = 0,
3663                         .val            = 'i',
3664                 },
3665                 {
3666                         NULL
3667                 }
3668         };
3669
3670         while ((c = getopt_long(argc, argv, "n:m:i:",
3671                                 long_options, NULL)) != -1) {
3672                 switch (c) {
3673                 case 'n':
3674                         nodemap_name = optarg;
3675                         break;
3676                 case 'm':
3677                         idmap = optarg;
3678                         break;
3679                 case 'i':
3680                         idtype = optarg;
3681                         break;
3682                 }
3683         }
3684
3685         if (nodemap_name == NULL || idmap == NULL || idtype == NULL) {
3686                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
3687                         " --idmap <client id>:<filesystem id>\n", argv[0]);
3688                 return -1;
3689         }
3690
3691         if (strcmp("uid", idtype) == 0) {
3692                 cmd = LCFG_NODEMAP_ADD_UIDMAP;
3693         } else if (strcmp("gid", idtype) == 0) {
3694                 cmd = LCFG_NODEMAP_ADD_GIDMAP;
3695         } else {
3696                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
3697                         " --idmap <client id>:<filesystem id>\n", argv[0]);
3698                 return -1;
3699         }
3700
3701         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, idmap, NULL);
3702         if (rc != 0) {
3703                 errno = -rc;
3704                 fprintf(stderr, "cannot add %smap '%s' to nodemap '%s'"
3705                         ": rc = %d\n", idtype, idmap, nodemap_name, rc);
3706         }
3707
3708         return rc;
3709 }
3710
3711 int jt_nodemap_del_idmap(int argc, char **argv)
3712 {
3713         int                     c;
3714         enum                    lcfg_command_type cmd = 0;
3715         char                    *nodemap_name = NULL;
3716         char                    *idmap = NULL;
3717         char                    *idtype = NULL;
3718         int                     rc = 0;
3719
3720         static struct option long_options[] = {
3721                 {
3722                         .name           = "name",
3723                         .has_arg        = required_argument,
3724                         .flag           = 0,
3725                         .val            = 'n',
3726                 },
3727                 {
3728                         .name           = "idmap",
3729                         .has_arg        = required_argument,
3730                         .flag           = 0,
3731                         .val            = 'm',
3732                 },
3733                 {
3734                         .name           = "idtype",
3735                         .has_arg        = required_argument,
3736                         .flag           = 0,
3737                         .val            = 'i',
3738                 },
3739                 {
3740                         NULL
3741                 }
3742         };
3743
3744         while ((c = getopt_long(argc, argv, "n:m:i:",
3745                                 long_options, NULL)) != -1) {
3746                 switch (c) {
3747                 case 'n':
3748                         nodemap_name = optarg;
3749                         break;
3750                 case 'm':
3751                         idmap = optarg;
3752                         break;
3753                 case 'i':
3754                         idtype = optarg;
3755                         break;
3756                 }
3757         }
3758
3759         if (nodemap_name == NULL || idmap == NULL || idtype == NULL) {
3760                 fprintf(stderr, "usage: %s --name <name> --idtype [uid | gid]"
3761                         " --idmap <client id>:<filesystem id>\n", argv[0]);
3762                 return -1;
3763         }
3764
3765         if (strcmp("uid", idtype) == 0)
3766                 cmd = LCFG_NODEMAP_DEL_UIDMAP;
3767         else
3768                 cmd = LCFG_NODEMAP_DEL_GIDMAP;
3769
3770         rc = nodemap_cmd(cmd, NULL, 0, argv[0], nodemap_name, idmap, NULL);
3771         if (rc != 0) {
3772                 errno = -rc;
3773                 fprintf(stderr, "cannot delete %smap '%s' from nodemap '%s'"
3774                         ": rc = %d\n", idtype, idmap, nodemap_name, rc);
3775         }
3776
3777         return rc;
3778 }
3779
3780 /*
3781  * this function tranforms a rule [start-end/step] into an array
3782  * of matching numbers
3783  * supported forms are:
3784  * [start]                : just this number
3785  * [start-end]            : all numbers from start to end
3786  * [start-end/step]       : numbers from start to end with increment of step
3787  * on return, format contains a printf format string which can be used
3788  * to generate all the strings
3789  */
3790 static int get_array_idx(char *rule, char *format, int **array)
3791 {
3792         char *start, *end, *ptr;
3793         unsigned int lo, hi, step;
3794         int array_sz = 0;
3795         int i, array_idx;
3796         int rc;
3797
3798         start = strchr(rule, '[');
3799         end = strchr(rule, ']');
3800         if ((start == NULL) || (end == NULL)) {
3801                 *array = malloc(sizeof(int));
3802                 if (*array == NULL)
3803                         return 0;
3804                 strcpy(format, rule);
3805                 array_sz = 1;
3806                 return array_sz;
3807         }
3808         *start = '\0';
3809         *end = '\0';
3810         end++;
3811         start++;
3812         /* put in format the printf format (the rule without the range) */
3813         sprintf(format, "%s%%.4x%s", rule, end);
3814
3815         array_idx = 0;
3816         array_sz = 0;
3817         *array = NULL;
3818         /* loop on , separator */
3819         do {
3820                 /* extract the 3 fields */
3821                 rc = sscanf(start, "%x-%x/%u", &lo, &hi, &step);
3822                 switch (rc) {
3823                 case 0:
3824                         goto err;
3825                 case 1: {
3826                         void *tmp;
3827
3828                         array_sz++;
3829                         tmp = realloc(*array, array_sz * sizeof(int));
3830                         if (tmp == NULL)
3831                                 goto err;
3832                         *array = tmp;
3833                         (*array)[array_idx] = lo;
3834                         array_idx++;
3835                         break;
3836                 }
3837                 case 2: {
3838                         step = 1;
3839                         /* do not break to share code with case 3: */
3840                 }
3841                 case 3: {
3842                         void *tmp;
3843
3844                         if ((hi < lo) || (step == 0))
3845                                 goto err;
3846                         array_sz += (hi - lo) / step + 1;
3847                         tmp = realloc(*array, array_sz * sizeof(int));
3848                         if (tmp == NULL)
3849                                 goto err;
3850                         *array = tmp;
3851                         for (i = lo; i <= hi; i+=step, array_idx++)
3852                                 (*array)[array_idx] = i;
3853                         break;
3854                 }
3855                 }
3856                 ptr = strchr(start, ',');
3857                 if (ptr != NULL)
3858                         start = ptr + 1;
3859
3860         } while (ptr != NULL);
3861         return array_sz;
3862 err:
3863         if (*array != NULL) {
3864                 free(*array);
3865                 *array = NULL;
3866         }
3867         return 0;
3868 }
3869
3870 static int extract_fsname_poolname(const char *arg, char *fsname,
3871                                    char *poolname)
3872 {
3873         char *ptr;
3874         int rc;
3875
3876         strlcpy(fsname, arg, PATH_MAX + 1);
3877         ptr = strchr(fsname, '.');
3878         if (ptr == NULL) {
3879                 fprintf(stderr, ". is missing in %s\n", fsname);
3880                 rc = -EINVAL;
3881                 goto err;
3882         }
3883
3884         if ((ptr - fsname) == 0) {
3885                 fprintf(stderr, "fsname is empty\n");
3886                 rc = -EINVAL;
3887                 goto err;
3888         }
3889
3890         *ptr = '\0';
3891         ++ptr;
3892
3893         rc = lustre_is_fsname_valid(fsname, 1, LUSTRE_MAXFSNAME);
3894         if (rc < 0) {
3895                 fprintf(stderr, "filesystem name %s must be 1-%d chars\n",
3896                         fsname, LUSTRE_MAXFSNAME);
3897                 rc = -EINVAL;
3898                 goto err;
3899         } else if (rc > 0) {
3900                 fprintf(stderr, "char '%c' not allowed in filesystem name\n",
3901                         rc);
3902                 rc = -EINVAL;
3903                 goto err;
3904         }
3905
3906         rc = lustre_is_poolname_valid(ptr, 1, LOV_MAXPOOLNAME);
3907         if (rc == -1) {
3908                 fprintf(stderr, "poolname is empty\n");
3909                 rc = -EINVAL;
3910                 goto err;
3911         } else if (rc == -2) {
3912                 fprintf(stderr,
3913                         "poolname %s is too long (max is %d)\n",
3914                         ptr, LOV_MAXPOOLNAME);
3915                 rc = -ENAMETOOLONG;
3916                 goto err;
3917         } else if (rc > 0) {
3918                 fprintf(stderr, "char '%c' not allowed in pool name '%s'\n",
3919                         rc, ptr);
3920                 rc = -EINVAL;
3921                 goto err;
3922         }
3923
3924         strncpy(poolname, ptr, LOV_MAXPOOLNAME);
3925         poolname[LOV_MAXPOOLNAME] = '\0';
3926         return 0;
3927
3928 err:
3929         fprintf(stderr, "argument %s must be <fsname>.<poolname>\n", arg);
3930         return rc;
3931 }
3932
3933 int jt_pool_cmd(int argc, char **argv)
3934 {
3935         enum lcfg_command_type cmd;
3936         char fsname[PATH_MAX + 1];
3937         char poolname[LOV_MAXPOOLNAME + 1];
3938         char *ostnames_buf = NULL;
3939         int i, rc;
3940         int *array = NULL, array_sz;
3941         struct {
3942                 int     rc;
3943                 char   *ostname;
3944         } *cmds = NULL;
3945
3946         switch (argc) {
3947         case 0:
3948         case 1: return CMD_HELP;
3949         case 2: {
3950                 if (strcmp("pool_new", argv[0]) == 0)
3951                         cmd = LCFG_POOL_NEW;
3952                 else if (strcmp("pool_destroy", argv[0]) == 0)
3953                         cmd = LCFG_POOL_DEL;
3954                 else if (strcmp("pool_list", argv[0]) == 0)
3955                          return llapi_poollist(argv[1]);
3956                 else return CMD_HELP;
3957
3958                 rc = extract_fsname_poolname(argv[1], fsname, poolname);
3959                 if (rc)
3960                         break;
3961
3962                 rc = pool_cmd(cmd, argv[0], argv[1], fsname, poolname, NULL);
3963                 if (rc)
3964                         break;
3965
3966                 check_pool_cmd_result(cmd, fsname, poolname, NULL);
3967                 break;
3968         }
3969         default: {
3970                 char format[2*MAX_OBD_NAME];
3971
3972                 if (strcmp("pool_remove", argv[0]) == 0) {
3973                         cmd = LCFG_POOL_REM;
3974                 } else if (strcmp("pool_add", argv[0]) == 0) {
3975                         cmd = LCFG_POOL_ADD;
3976                 } else {
3977                         return CMD_HELP;
3978                 }
3979
3980                 rc = extract_fsname_poolname(argv[1], fsname, poolname);
3981                 if (rc)
3982                         break;
3983
3984                 for (i = 2; i < argc; i++) {
3985                         int j;
3986
3987                         array_sz = get_array_idx(argv[i], format, &array);
3988                         if (array_sz == 0)
3989                                 return CMD_HELP;
3990
3991                         cmds = malloc(array_sz * sizeof(cmds[0]));
3992                         if (cmds != NULL) {
3993                                 ostnames_buf = malloc(array_sz *
3994                                                       (MAX_OBD_NAME + 1));
3995                         } else {
3996                                 free(array);
3997                                 rc = -ENOMEM;
3998                                 goto out;
3999                         }
4000
4001                         for (j = 0; j < array_sz; j++) {
4002                                 char ostname[MAX_OBD_NAME + 1];
4003
4004                                 snprintf(ostname, MAX_OBD_NAME, format,
4005                                          array[j]);
4006                                 ostname[MAX_OBD_NAME] = '\0';
4007
4008                                 rc = check_and_complete_ostname(fsname,ostname);
4009                                 if (rc) {
4010                                         free(array);
4011                                         free(cmds);
4012                                         if (ostnames_buf)
4013                                                 free(ostnames_buf);
4014                                         goto out;
4015                                 }
4016                                 if (ostnames_buf != NULL) {
4017                                         cmds[j].ostname =
4018                                           &ostnames_buf[(MAX_OBD_NAME + 1) * j];
4019                                         strcpy(cmds[j].ostname, ostname);
4020                                 } else {
4021                                         cmds[j].ostname = NULL;
4022                                 }
4023                                 cmds[j].rc = pool_cmd(cmd, argv[0], argv[1],
4024                                                       fsname, poolname,
4025                                                       ostname);
4026                                 /* Return an err if any of the add/dels fail */
4027                                 if (!rc)
4028                                         rc = cmds[j].rc;
4029                         }
4030                         for (j = 0; j < array_sz; j++) {
4031                                 if (!cmds[j].rc) {
4032                                         char ostname[MAX_OBD_NAME + 1];
4033
4034                                         if (!cmds[j].ostname) {
4035                                                 snprintf(ostname, MAX_OBD_NAME,
4036                                                          format, array[j]);
4037                                                 ostname[MAX_OBD_NAME] = '\0';
4038                                                 check_and_complete_ostname(
4039                                                         fsname, ostname);
4040                                         } else {
4041                                                 strcpy(ostname,
4042                                                        cmds[j].ostname);
4043                                         }
4044                                         check_pool_cmd_result(cmd, fsname,
4045                                                               poolname,ostname);
4046                                 }
4047                         }
4048                         if (array_sz > 0)
4049                                 free(array);
4050                         if (cmds)
4051                                 free(cmds);
4052                         if (ostnames_buf != NULL)
4053                                 free(ostnames_buf);
4054                 }
4055                 /* fall through */
4056         }
4057         } /* switch */
4058
4059 out:
4060         if (rc != 0) {
4061                 errno = -rc;
4062                 perror(argv[0]);
4063         }
4064
4065         return rc;
4066 }
4067
4068 static const char *barrier_status2name(enum barrier_status status)
4069 {
4070         switch (status) {
4071         case BS_INIT:
4072                 return "init";
4073         case BS_FREEZING_P1:
4074                 return "freezing_p1";
4075         case BS_FREEZING_P2:
4076                 return "freezing_p2";
4077         case BS_FROZEN:
4078                 return "frozen";
4079         case BS_THAWING:
4080                 return "thawing";
4081         case BS_THAWED:
4082                 return "thawed";
4083         case BS_FAILED:
4084                 return "failed";
4085         case BS_EXPIRED:
4086                 return "expired";
4087         case BS_RESCAN:
4088                 return "rescan";
4089         default:
4090                 return "unknown";
4091         }
4092 }
4093
4094 int jt_barrier_freeze(int argc, char **argv)
4095 {
4096         struct obd_ioctl_data data;
4097         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
4098         struct barrier_ctl bc;
4099         int rc;
4100
4101         if (argc < 2 || argc > 3)
4102                 return CMD_HELP;
4103
4104         memset(&data, 0, sizeof(data));
4105         rc = data.ioc_dev = get_mgs_device();
4106         if (rc < 0)
4107                 return rc;
4108
4109         memset(&bc, 0, sizeof(bc));
4110         bc.bc_version = BARRIER_VERSION_V1;
4111         bc.bc_cmd = BC_FREEZE;
4112         if (argc == 3)
4113                 bc.bc_timeout = atoi(argv[2]);
4114         if (bc.bc_timeout == 0)
4115                 bc.bc_timeout = BARRIER_TIMEOUT_DEFAULT;
4116
4117         if (strlen(argv[1]) > 8) {
4118                 fprintf(stderr, "%s: fsname name %s is too long. "
4119                         "It should not exceed 8.\n", argv[0], argv[1]);
4120                 return -EINVAL;
4121         }
4122
4123         strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
4124         data.ioc_inlbuf1 = (char *)&bc;
4125         data.ioc_inllen1 = sizeof(bc);
4126         memset(buf, 0, sizeof(rawbuf));
4127         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4128         if (rc) {
4129                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
4130                 return rc;
4131         }
4132
4133         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
4134         if (rc < 0)
4135                 fprintf(stderr, "Fail to freeze barrier for %s: %s\n",
4136                         argv[1], strerror(errno));
4137
4138         return rc;
4139 }
4140
4141 int jt_barrier_thaw(int argc, char **argv)
4142 {
4143         struct obd_ioctl_data data;
4144         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
4145         struct barrier_ctl bc;
4146         int rc;
4147
4148         if (argc != 2)
4149                 return CMD_HELP;
4150
4151         memset(&data, 0, sizeof(data));
4152         rc = data.ioc_dev = get_mgs_device();
4153         if (rc < 0)
4154                 return rc;
4155
4156         memset(&bc, 0, sizeof(bc));
4157         bc.bc_version = BARRIER_VERSION_V1;
4158         bc.bc_cmd = BC_THAW;
4159
4160         if (strlen(argv[1]) > 8) {
4161                 fprintf(stderr, "fsname name %s is too long. "
4162                         "It should not exceed 8.\n", argv[1]);
4163                 return -EINVAL;
4164         }
4165
4166         strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
4167         data.ioc_inlbuf1 = (char *)&bc;
4168         data.ioc_inllen1 = sizeof(bc);
4169         memset(buf, 0, sizeof(rawbuf));
4170         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4171         if (rc) {
4172                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
4173                 return rc;
4174         }
4175
4176         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
4177         if (rc < 0)
4178                 fprintf(stderr, "Fail to thaw barrier for %s: %s\n",
4179                         argv[1], strerror(errno));
4180
4181         return rc;
4182 }
4183
4184 int jt_barrier_stat(int argc, char **argv)
4185 {
4186         struct obd_ioctl_data data;
4187         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
4188         struct barrier_ctl bc;
4189         int rc;
4190
4191         if (argc != 2)
4192                 return CMD_HELP;
4193
4194         memset(&data, 0, sizeof(data));
4195         rc = data.ioc_dev = get_mgs_device();
4196         if (rc < 0)
4197                 return rc;
4198
4199         memset(&bc, 0, sizeof(bc));
4200         bc.bc_version = BARRIER_VERSION_V1;
4201         bc.bc_cmd = BC_STAT;
4202
4203         if (strlen(argv[1]) > 8) {
4204                 fprintf(stderr, "fsname name %s is too long. "
4205                         "It should not exceed 8.\n", argv[1]);
4206                 return -EINVAL;
4207         }
4208
4209         strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
4210         data.ioc_inlbuf1 = (char *)&bc;
4211         data.ioc_inllen1 = sizeof(bc);
4212         memset(buf, 0, sizeof(rawbuf));
4213         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4214         if (rc) {
4215                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
4216                 return rc;
4217         }
4218
4219         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
4220         if (rc < 0) {
4221                 fprintf(stderr, "Fail to query barrier for %s: %s\n",
4222                         argv[1], strerror(errno));
4223         } else {
4224                 obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
4225                 printf("The barrier for %s is in '%s'\n",
4226                        argv[1], barrier_status2name(bc.bc_status));
4227                 if (bc.bc_status == BS_FREEZING_P1 ||
4228                     bc.bc_status == BS_FREEZING_P2 ||
4229                     bc.bc_status == BS_FROZEN)
4230                         printf("The barrier will be expired after %d "
4231                                "seconds\n", bc.bc_timeout);
4232         }
4233
4234         return rc;
4235 }
4236
4237 int jt_barrier_rescan(int argc, char **argv)
4238 {
4239         struct obd_ioctl_data data;
4240         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
4241         struct barrier_ctl bc;
4242         int rc;
4243
4244         if (argc < 2 || argc > 3)
4245                 return CMD_HELP;
4246
4247         memset(&data, 0, sizeof(data));
4248         rc = data.ioc_dev = get_mgs_device();
4249         if (rc < 0)
4250                 return rc;
4251
4252         memset(&bc, 0, sizeof(bc));
4253         bc.bc_version = BARRIER_VERSION_V1;
4254         bc.bc_cmd = BC_RESCAN;
4255         if (argc == 3)
4256                 bc.bc_timeout = atoi(argv[2]);
4257         if (bc.bc_timeout == 0)
4258                 bc.bc_timeout = BARRIER_TIMEOUT_DEFAULT;
4259
4260         if (strlen(argv[1]) > 8) {
4261                 fprintf(stderr, "fsname name %s is too long. "
4262                         "It should not exceed 8.\n", argv[1]);
4263                 return -EINVAL;
4264         }
4265
4266         strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
4267         data.ioc_inlbuf1 = (char *)&bc;
4268         data.ioc_inllen1 = sizeof(bc);
4269         memset(buf, 0, sizeof(rawbuf));
4270         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4271         if (rc) {
4272                 fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
4273                 return rc;
4274         }
4275
4276         rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
4277         if (rc < 0) {
4278                 fprintf(stderr, "Fail to rescan barrier bitmap for %s: %s\n",
4279                         argv[1], strerror(errno));
4280         } else {
4281                 obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
4282                 printf("%u of %u MDT(s) in the filesystem %s are inactive\n",
4283                        bc.bc_absence, bc.bc_total, argv[1]);
4284         }
4285
4286         return rc;
4287 }
4288
4289 int jt_get_obj_version(int argc, char **argv)
4290 {
4291         struct lu_fid fid;
4292         struct obd_ioctl_data data;
4293         __u64 version, id = ULLONG_MAX, group = ULLONG_MAX;
4294         char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf, *fidstr;
4295         int rc, c;
4296
4297         while ((c = getopt(argc, argv, "i:g:")) != -1) {
4298                 switch (c) {
4299                 case 'i':
4300                         id = strtoull(optarg, NULL, 0);
4301                         break;
4302                 case 'g':
4303                         group = strtoull(optarg, NULL, 0);
4304                         break;
4305                 default:
4306                         return CMD_HELP;
4307                 }
4308         }
4309
4310         argc -= optind;
4311         argv += optind;
4312
4313         if (!(id != ULLONG_MAX && group != ULLONG_MAX && argc == 0) &&
4314             !(id == ULLONG_MAX && group == ULLONG_MAX && argc == 1))
4315                 return CMD_HELP;
4316
4317         memset(&data, 0, sizeof data);
4318         data.ioc_dev = cur_device;
4319         if (argc == 1) {
4320                 fidstr = *argv;
4321                 while (*fidstr == '[')
4322                         fidstr++;
4323                 sscanf(fidstr, SFID, RFID(&fid));
4324
4325                 data.ioc_inlbuf1 = (char *) &fid;
4326                 data.ioc_inllen1 = sizeof fid;
4327         } else {
4328                 data.ioc_inlbuf3 = (char *) &id;
4329                 data.ioc_inllen3 = sizeof id;
4330                 data.ioc_inlbuf4 = (char *) &group;
4331                 data.ioc_inllen4 = sizeof group;
4332         }
4333         data.ioc_inlbuf2 = (char *) &version;
4334         data.ioc_inllen2 = sizeof version;
4335
4336         memset(buf, 0, sizeof *buf);
4337         rc = obd_ioctl_pack(&data, &buf, sizeof rawbuf);
4338         if (rc) {
4339                 fprintf(stderr, "error: %s: packing ioctl arguments: %s\n",
4340                         jt_cmdname(argv[0]), strerror(-rc));
4341                 return rc;
4342         }
4343
4344         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_GET_OBJ_VERSION, buf);
4345         if (rc == -1) {
4346                 fprintf(stderr, "error: %s: ioctl: %s\n",
4347                         jt_cmdname(argv[0]), strerror(errno));
4348                 return -errno;
4349         }
4350
4351         obd_ioctl_unpack(&data, buf, sizeof rawbuf);
4352         printf("%#jx\n", (uintmax_t)version);
4353         return 0;
4354 }
4355
4356 int jt_changelog_register(int argc, char **argv)
4357 {
4358         struct obd_ioctl_data    data = { 0 };
4359         char                     rawbuf[MAX_IOC_BUFLEN] = "";
4360         char                    *buf = rawbuf;
4361         char                    *device = lcfg_get_devname();
4362         bool                     print_name_only = false;
4363         int                      c;
4364         int                      rc;
4365
4366         if (argc > 2)
4367                 return CMD_HELP;
4368
4369         while ((c = getopt(argc, argv, "hn")) >= 0) {
4370                 switch (c) {
4371                 case 'n':
4372                         print_name_only = true;
4373                         break;
4374                 case 'h':
4375                 default:
4376                         return CMD_HELP;
4377                 }
4378         }
4379
4380         if (cur_device < 0 || device == NULL)
4381                 return CMD_HELP;
4382
4383         data.ioc_dev = cur_device;
4384
4385         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4386         if (rc < 0) {
4387                 fprintf(stderr, "error: %s: cannot pack ioctl: %s\n",
4388                         jt_cmdname(argv[0]), strerror(-rc));
4389                return rc;
4390         }
4391
4392         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CHANGELOG_REG, buf);
4393         if (rc < 0) {
4394                 rc = -errno;
4395                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
4396                         strerror(-rc));
4397                 return rc;
4398         }
4399
4400         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
4401
4402         if (data.ioc_u32_1 == 0) {
4403                 fprintf(stderr, "received invalid userid!\n");
4404                 return -EPROTO;
4405         }
4406
4407         if (print_name_only)
4408                 printf("%s%u\n", CHANGELOG_USER_PREFIX, data.ioc_u32_1);
4409         else
4410                 printf("%s: Registered changelog userid '%s%u'\n",
4411                        device, CHANGELOG_USER_PREFIX, data.ioc_u32_1);
4412
4413         return 0;
4414 }
4415
4416 int jt_changelog_deregister(int argc, char **argv)
4417 {
4418         struct obd_ioctl_data    data = { 0 };
4419         char                     rawbuf[MAX_IOC_BUFLEN] = "";
4420         char                    *buf = rawbuf;
4421         char                    *device = lcfg_get_devname();
4422         int                      id;
4423         int                      rc;
4424
4425         if (argc != 2 || cur_device < 0 || device == NULL)
4426                 return CMD_HELP;
4427
4428         rc = sscanf(argv[1], CHANGELOG_USER_PREFIX"%d", &id);
4429         if (rc != 1 || id <= 0) {
4430                 fprintf(stderr,
4431                         "error: %s: expected id of the form %s<num> got '%s'\n",
4432                         jt_cmdname(argv[0]), CHANGELOG_USER_PREFIX, argv[1]);
4433                 return CMD_HELP;
4434         }
4435
4436         data.ioc_dev = cur_device;
4437         data.ioc_u32_1 = id;
4438
4439         rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
4440         if (rc < 0) {
4441                 fprintf(stderr, "error: %s: invalid ioctl\n",
4442                         jt_cmdname(argv[0]));
4443                 return rc;
4444         }
4445
4446         rc = l2_ioctl(OBD_DEV_ID, OBD_IOC_CHANGELOG_DEREG, buf);
4447         if (rc < 0) {
4448                 fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
4449                         strerror(rc = errno));
4450                 return rc;
4451         }
4452
4453         obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
4454         printf("%s: Deregistered changelog user '%s%u'\n",
4455                device, CHANGELOG_USER_PREFIX, data.ioc_u32_1);
4456
4457         return 0;
4458 }